RHSA-2023:2148 — Red Hat Security Advisory: kernel-rt security and bug fix update

Fixed packages 32

Release	Package	Fixed in
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-core	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-debug	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-debug-core	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-debug-debuginfo	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-debug-devel	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-debug-kvm	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-debug-modules	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-debug-modules-core	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-debug-modules-extra	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-debuginfo	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-debuginfo-common-x86_64	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-devel	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-kvm	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-modules	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-modules-core	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::nfv	kernel-rt-modules-extra	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-core	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-debug	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-debug-core	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-debug-debuginfo	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-debug-devel	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-debug-modules	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-debug-modules-core	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-debug-modules-extra	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-debuginfo	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-debuginfo-common-x86_64	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-devel	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-modules	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-modules-core	0:5.14.0-284.11.1.rt14.296.el9_2
Red Hat · RHEL 9 enterprise_linux:9::realtime	kernel-rt-modules-extra	0:5.14.0-284.11.1.rt14.296.el9_2

Vulnerabilities 51

High 8.1

CVE-2022-41674

An issue was discovered in the Linux kernel before 5.19.16. Attackers able to inject WLAN frames could cause a buffer o…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux Alpine

Oct 13, 2022
High 8.0

CVE-2022-42896 Public exploit

Info Leak in l2cap_core in the Linux Kernel

There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker coul…

Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

Nov 23, 2022
High 7.8

CVE-2022-39189

An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromi…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Sep 2, 2022
High 7.8

CVE-2022-42720

Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before …

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux Alpine

Oct 13, 2022
High 7.8

CVE-2022-48695

scsi: mpt3sas: Fix use-after-free warning

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix use-after-free warning Fix the following use-after-free warning which is observed during controller reset: refcount_t: underflow; use-after-free. WARNING: CPU: 23 PID: 5399…

Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

May 3, 2024
High 7.8

CVE-2023-0461 Public exploit

Use-after-free vulnerability in the Linux Kernel

There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not …

Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

Feb 28, 2023
High 7.5

CVE-2023-52340

The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed e…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Jul 5, 2024
High 7.0

CVE-2022-3522 Rejected

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigat…

linux-raspi2 linux-hwe linux-azure linux-riscv Ubuntu

Oct 16, 2022
Medium 6.7

CVE-2022-21505

In the linux kernel, if IMA appraisal is used with the "ima_appraise=log" boot param, lockdown can be defeated with kex…

Oracle Oracle Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

Dec 24, 2024
Medium 6.7

CVE-2022-43750

drivers/usb/mon/mon_bin.c in usbmon in the Linux kernel before 5.19.15 and 6.x before 6.0.1 allows a user-space client …

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Oct 26, 2022
Medium 6.7

CVE-2023-2513

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode si…

linux-raspi2 linux-hwe linux-azure linux-riscv Linux Debian Ubuntu Azure Linux

May 8, 2023
Medium 6.6

CVE-2022-3628

A buffer overflow flaw was found in the Linux kernel Broadcom Full MAC Wi-Fi driver. This issue occurs when a user conn…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu

Jan 12, 2023
Medium 6.3

CVE-2022-36280

There is an out-of-bounds write vulnerability in vmwgfx driver

An out-of-bounds(OOB) memory access vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_kms.c in GPU component in the Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the…

Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

Sep 9, 2022
Medium 5.8

CVE-2022-2196

Speculative execution attacks in KVM VMX

A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after running L2 due to KVM (L0) advertising eIBRS support…

Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

Jan 9, 2023
Medium 5.5

CVE-2021-33631

Kernel crash in EXT4 filesystem

Integer Overflow or Wraparound vulnerability in openEuler kernel on Linux (filesystem modules) allows Forced Integer Overflow.This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3, from 5.10.0-60.18.0 before 5.10.0-183.0.0.

openEuler kernel linux-raspi2 linux-hwe Debian Ubuntu

Jan 18, 2024
Medium 5.5

CVE-2021-47592

net: stmmac: fix tc flower deletion for VLAN priority Rx steering

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix tc flower deletion for VLAN priority Rx steering To replicate the issue:- 1) Add 1 flower filter for VLAN Priority based frame steering:- $ IFDEVNAME=eth0 $ tc qdisc add dev …

Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

Jun 19, 2024
Medium 5.5

CVE-2022-28388

usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c in the Linux kernel through 5.17.1 has a double free.

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Apr 3, 2022
Medium 5.5

CVE-2022-3640

Linux Kernel Bluetooth l2cap_core.c l2cap_conn_del use after free

A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a pat…

Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

Oct 21, 2022
Medium 5.5

CVE-2022-36879

An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Jul 27, 2022
Medium 5.5

CVE-2022-3707

A double-free memory flaw was found in the Linux kernel. The Intel GVT-g graphics driver triggers VGA card system resou…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Mar 6, 2023
Medium 5.5

CVE-2022-4128

A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow l…

linux-raspi2 linux-hwe linux-azure linux-riscv Linux Debian Ubuntu

Nov 28, 2022
Medium 5.5

CVE-2022-4129

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can…

linux-raspi2 linux-hwe linux-azure linux-riscv Linux Debian Ubuntu

Nov 28, 2022
Medium 5.5

CVE-2022-42721

A list management bug in BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux Alpine

Oct 13, 2022
Medium 5.5

CVE-2022-4662

A flaw incorrect access control in the Linux kernel USB core subsystem was found in the way user attaches usb device. A…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Dec 22, 2022
Medium 5.5

CVE-2022-47929

In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivilege…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Jan 17, 2023
Medium 5.5

CVE-2023-0394

A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Jan 24, 2023
Medium 5.5

CVE-2023-1195

A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue …

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

May 18, 2023
Medium 5.5

CVE-2023-2177

A null pointer dereference issue was found in the sctp network protocol in net/sctp/stream_sched.c in Linux Kernel. If …

linux-raspi2 linux-hwe linux-azure linux-riscv Linux Debian Ubuntu Azure Linux

Apr 20, 2023
Medium 5.5

CVE-2023-22998

In the Linux kernel before 6.0.3, drivers/gpu/drm/virtio/virtgpu_object.c misinterprets the drm_gem_shmem_get_sg_table …

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Feb 28, 2023
Medium 5.0

CVE-2022-3623

Linux Kernel BPF gup.c follow_page_pte race condition

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function follow_page_pte of the file mm/gup.c of the component BPF. The manipulation leads to race condition. The attack can be launched remo…

Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

Oct 20, 2022
Medium 4.7

CVE-2023-1382

A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This issue leads t…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Apr 19, 2023
Medium 4.6

CVE-2022-3566

Linux Kernel TCP tcp_setsockopt race condition

A vulnerability was identified in Linux Kernel up to 4.19.316/5.4.278/5.10.220/5.15.161. This impacts the function tcp_getsockopt/tcp_setsockopt of the component TCP Handler. Such manipulation leads to race condition. A high complexity level is associated wit…

Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

Oct 17, 2022
Medium 4.6

CVE-2022-3567

Linux Kernel IPv6 inet6_dgram_ops race condition

A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function inet6_stream_ops/inet6_dgram_ops of the component IPv6 Handler. The manipulation leads to race condition. It is recommended to apply a patch …

Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

Oct 17, 2022
Medium 4.6

CVE-2022-3625

Linux Kernel IPsec devlink.c devlink_param_get use after free

A vulnerability was found in Linux Kernel. It has been classified as critical. This affects the function devlink_param_set/devlink_param_get of the file net/core/devlink.c of the component IPsec. The manipulation leads to use after free. It is recommended to …

Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

Oct 21, 2022
Medium 4.3

CVE-2022-3435

Linux Kernel IPv4 fib_semantics.c fib_nh_match out-of-bounds

A vulnerability classified as problematic has been found in Linux Kernel. This affects the function fib_nh_match of the file net/ipv4/fib_semantics.c of the component IPv4 Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the a…

Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

Oct 8, 2022
Medium 4.3

CVE-2022-3524

Linux Kernel IPv6 ipv6_renew_options memory leak

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function ipv6_renew_options of the component IPv6 Handler. The manipulation leads to memory leak. The attack can be launched remotely. It is …

Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

Oct 16, 2022
Low 3.5

CVE-2022-3619

Linux Kernel Bluetooth l2cap_core.c l2cap_recv_acldata memory leak

A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function l2cap_recv_acldata of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to memory leak. It is recommende…

Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu

Oct 20, 2022
Unscored —

CVE-2021-26341

Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakag…

AMD AMD Processors

Mar 11, 2022
Unscored —

CVE-2021-33655

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Jul 18, 2022
Unscored —

CVE-2021-47560

mlxsw: spectrum: Protect driver from buggy firmware

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum: Protect driver from buggy firmware When processing port up/down events generated by the device's firmware, the driver protects itself from events reported for non-existent lo…

Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

May 24, 2024
Unscored —

CVE-2022-1462

An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem. The issue occurs in how a user triggers …

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu

May 31, 2022
Unscored —

CVE-2022-1789

With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed wi…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu

May 31, 2022
Unscored —

CVE-2022-1882

A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

May 26, 2022
Unscored —

CVE-2022-20141

In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local esca…

linux-raspi2 linux-hwe linux-azure linux-riscv Android Debian Ubuntu

Jun 15, 2022
Unscored —

CVE-2022-2663

An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly m…

linux-raspi2 linux-hwe linux-azure linux-riscv Linux Debian Ubuntu

Sep 1, 2022
Unscored —

CVE-2022-3028

A race condition was found in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple c…

linux-raspi2 linux-hwe linux-azure linux-riscv Linux Debian Ubuntu Azure Linux

Aug 31, 2022
Unscored —

CVE-2022-33743

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a cod…

Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux Alpine

Jul 5, 2022
Unscored —

CVE-2022-39188

An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unma…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Sep 2, 2022
Unscored —

CVE-2022-42703 Public exploit

mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Oct 9, 2022
Unscored —

CVE-2022-42722

In the Linux kernel 5.8 through 5.19.x before 5.19.16, local attackers able to inject WLAN frames into the mac80211 sta…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux Alpine

Oct 13, 2022
Unscored —

CVE-2023-0590

A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race problem. This f…

linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux

Mar 23, 2023

References

article
https://access.redhat.com/security/updates/classification/#important
article
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.2_release_notes/index
report
https://bugzilla.redhat.com/show_bug.cgi?id=2061703
report
https://bugzilla.redhat.com/show_bug.cgi?id=2073091
report
https://bugzilla.redhat.com/show_bug.cgi?id=2078466
report
https://bugzilla.redhat.com/show_bug.cgi?id=2089701
report
https://bugzilla.redhat.com/show_bug.cgi?id=2090723
report
https://bugzilla.redhat.com/show_bug.cgi?id=2106830
report
https://bugzilla.redhat.com/show_bug.cgi?id=2107924
report
https://bugzilla.redhat.com/show_bug.cgi?id=2108691
report
https://bugzilla.redhat.com/show_bug.cgi?id=2114937
report
https://bugzilla.redhat.com/show_bug.cgi?id=2122228
report
https://bugzilla.redhat.com/show_bug.cgi?id=2123056
report
https://bugzilla.redhat.com/show_bug.cgi?id=2124788
report
https://bugzilla.redhat.com/show_bug.cgi?id=2130141
report
https://bugzilla.redhat.com/show_bug.cgi?id=2133483
report
https://bugzilla.redhat.com/show_bug.cgi?id=2133490
report
https://bugzilla.redhat.com/show_bug.cgi?id=2134377
report
https://bugzilla.redhat.com/show_bug.cgi?id=2134380
report
https://bugzilla.redhat.com/show_bug.cgi?id=2134451
report
https://bugzilla.redhat.com/show_bug.cgi?id=2134506
report
https://bugzilla.redhat.com/show_bug.cgi?id=2134517
report
https://bugzilla.redhat.com/show_bug.cgi?id=2134528
report
https://bugzilla.redhat.com/show_bug.cgi?id=2137979
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https://bugzilla.redhat.com/show_bug.cgi?id=2139610
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https://bugzilla.redhat.com/show_bug.cgi?id=2143893
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https://bugzilla.redhat.com/show_bug.cgi?id=2143943
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https://bugzilla.redhat.com/show_bug.cgi?id=2144720
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https://bugzilla.redhat.com/show_bug.cgi?id=2147364
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https://bugzilla.redhat.com/show_bug.cgi?id=2150947
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https://bugzilla.redhat.com/show_bug.cgi?id=2150960
report
https://bugzilla.redhat.com/show_bug.cgi?id=2150979
report
https://bugzilla.redhat.com/show_bug.cgi?id=2151270
report
https://bugzilla.redhat.com/show_bug.cgi?id=2154171
report
https://bugzilla.redhat.com/show_bug.cgi?id=2154235
report
https://bugzilla.redhat.com/show_bug.cgi?id=2160023
report
https://bugzilla.redhat.com/show_bug.cgi?id=2162120
report
https://bugzilla.redhat.com/show_bug.cgi?id=2165721
report
https://bugzilla.redhat.com/show_bug.cgi?id=2165741

Red Hat Security Advisory: kernel-rt security and bug fix update

Fixed packages 32

Vulnerabilities 51

An issue was discovered in the Linux kernel before 5.19.16. Attackers able to inject WLAN frames could cause a buffer o…

Info Leak in l2cap_core in the Linux Kernel

An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromi…

Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before …

scsi: mpt3sas: Fix use-after-free warning

Use-after-free vulnerability in the Linux Kernel

The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed e…

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigat…

In the linux kernel, if IMA appraisal is used with the "ima_appraise=log" boot param, lockdown can be defeated with kex…

drivers/usb/mon/mon_bin.c in usbmon in the Linux kernel before 5.19.15 and 6.x before 6.0.1 allows a user-space client …

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode si…

A buffer overflow flaw was found in the Linux kernel Broadcom Full MAC Wi-Fi driver. This issue occurs when a user conn…

There is an out-of-bounds write vulnerability in vmwgfx driver

Speculative execution attacks in KVM VMX

Kernel crash in EXT4 filesystem

net: stmmac: fix tc flower deletion for VLAN priority Rx steering

usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c in the Linux kernel through 5.17.1 has a double free.

Linux Kernel Bluetooth l2cap_core.c l2cap_conn_del use after free

An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a…

A double-free memory flaw was found in the Linux kernel. The Intel GVT-g graphics driver triggers VGA card system resou…

A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow l…

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can…

A list management bug in BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could…

A flaw incorrect access control in the Linux kernel USB core subsystem was found in the way user attaches usb device. A…

In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivilege…

A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network subcomponent in…

A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue …

A null pointer dereference issue was found in the sctp network protocol in net/sctp/stream_sched.c in Linux Kernel. If …

In the Linux kernel before 6.0.3, drivers/gpu/drm/virtio/virtgpu_object.c misinterprets the drm_gem_shmem_get_sg_table …

Linux Kernel BPF gup.c follow_page_pte race condition

A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This issue leads t…

Linux Kernel TCP tcp_setsockopt race condition

Linux Kernel IPv6 inet6_dgram_ops race condition

Linux Kernel IPsec devlink.c devlink_param_get use after free

Linux Kernel IPv4 fib_semantics.c fib_nh_match out-of-bounds

Linux Kernel IPv6 ipv6_renew_options memory leak

Linux Kernel Bluetooth l2cap_core.c l2cap_recv_acldata memory leak

Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakag…

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

mlxsw: spectrum: Protect driver from buggy firmware

An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem. The issue occurs in how a user triggers …

With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed wi…

A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the…

In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local esca…

An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly m…

A race condition was found in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple c…

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a cod…

An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unma…

mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.

In the Linux kernel 5.8 through 5.19.x before 5.19.16, local attackers able to inject WLAN frames into the mac80211 sta…

A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race problem. This f…

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