Red Hat Security Advisory: kernel-rt security update

Fixed packages 28

Vulnerabilities 16

• High 8.8
  CVE-2023-5178 Public exploit

  Kernel: use after free in nvmet_tcp_free_crypto in nvme

  A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, whic…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Nov 1, 2023
• High 7.8
  CVE-2023-31436

  qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax ca…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Apr 28, 2023
• High 7.8
  CVE-2023-3390 Public exploit

  Use-after-free in Linux kernel's netfilter subsystem

  A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c. Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vu…

  Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jun 28, 2023
• High 7.8
  CVE-2023-35001 Public exploit

  Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability

  Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace

  Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 5, 2023
• High 7.8
  CVE-2023-3611

  Out-of-bounds write in Linux kernel's net/sched: sch_qfq component

  An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated accordin…

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 21, 2023
• High 7.8
  CVE-2023-40283

  An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Aug 14, 2023
• High 7.8
  CVE-2023-4623

  Use-after-free in Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component

  A use-after-free vulnerability in the Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component can be exploited to achieve local privilege escalation. If a class with a link-sharing curve (i.e. with the HFSC_FSC flag set) has a parent without…

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Sep 6, 2023
• High 7.8
  CVE-2023-4921

  Use-after-free in Linux kernel's net/sched: sch_qfq component

  A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue()…

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Sep 12, 2023
• High 7.8
  CVE-2023-6817

  Use-after-free in Linux kernel's netfilter: nf_tables component

  A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PI…

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Dec 18, 2023
• High 7.1
  CVE-2022-41858

  A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach…

  linux-raspi2 linux-hwe linux-azure linux-riscv Linux Debian Ubuntu Azure Linux
  Jan 17, 2023
• High 7.0
  CVE-2024-0646

  Kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination

  An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privile…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Jan 17, 2024
• Medium 6.5
  CVE-2022-40982

  Information exposure through microarchitectural state after transient execution in certain vector execution units for s…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Alpine
  Aug 11, 2023
• Medium 6.3
  CVE-2022-38096

  There is a NULL pointer vulnerability in vmwgfx driver

  A NULL pointer dereference vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in GPU component of Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system t…

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Sep 9, 2022
• Medium 5.5
  CVE-2022-3545

  Linux Kernel IPsec nfp_cppcore.c area_cache_get use after free

  A vulnerability has been found in Linux Kernel and classified as critical. Affected by this vulnerability is the function area_cache_get of the file drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c of the component IPsec. The manipulation leads to use…

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Oct 17, 2022
• Unscored —
  CVE-2023-38409

  An issue was discovered in set_con2fb_map in drivers/video/fbdev/core/fbcon.c in the Linux kernel before 6.2.12. Becaus…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Jul 17, 2023
• Unscored —
  CVE-2023-45871

  An issue was discovered in drivers/net/ethernet/intel/igb/igb_main.c in the IGB driver in the Linux kernel before 6.5.3…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Oct 15, 2023

References

• article
  https://access.redhat.com/security/updates/classification/#important
• article
  https://access.redhat.com/solutions/7027704
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2133452
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2144379
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2161310
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2192671
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2213260
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2220892
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2223949
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2225191
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2230042
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2231800
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2237757
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2241924
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2244723
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2245514
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2253908
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2255139
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_1269.json
• report
  https://access.redhat.com/security/cve/CVE-2022-3545
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-3545
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-3545
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git/commit/?id=02e1a114fdb71e59ee6770294166c30d437bf86a
• report
  https://access.redhat.com/security/cve/CVE-2022-38096
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-38096
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-38096
• report
  https://access.redhat.com/security/cve/CVE-2022-40982
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-40982
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-40982
• article
  https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00828.html
• report
  https://access.redhat.com/security/cve/CVE-2022-41858
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-41858
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-41858
• article
  https://github.com/torvalds/linux/commit/ec4eb8a86ade4d22633e1da2a7d85a846b7d1798
• report
  https://access.redhat.com/security/cve/CVE-2023-3390
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-3390
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-3390
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1240eb93f0616b21c675416516ff3d74798fdc97
• report
  https://access.redhat.com/security/cve/CVE-2023-3611