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OpenAdvisories
Critical RHSA-2026:93413 17 CVEs

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Published Nov 13, 2026 · Updated Nov 14, 2026

Ecosystem: Red Hat

Fixed packages 92

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.2 kernel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-devel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-devel-matched 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-modules 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-modules-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debug-modules-extra 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-devel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-devel-matched 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-modules 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-modules-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-64k-modules-extra 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-abi-stablelists 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-devel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-devel-matched 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-modules 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-modules-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-modules-extra 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debug-uki-virt 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debuginfo-common-aarch64 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debuginfo-common-ppc64le 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debuginfo-common-s390x 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-debuginfo-common-x86_64 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-devel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-devel-matched 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-doc 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-modules 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-modules-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-modules-extra 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-modules-extra-matched 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-modules-internal 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-devel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-modules 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-modules-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debug-modules-extra 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-devel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-modules 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-modules-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-64k-modules-extra 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-devel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-modules 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-modules-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debug-modules-extra 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-devel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-modules 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-modules-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-rt-modules-extra 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-tools 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-tools-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-tools-libs 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-tools-libs-devel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-uki-virt 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-uki-virt-addons 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-devel 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-devel-matched 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-modules 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-modules-core 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kernel-zfcpdump-modules-extra 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 libperf 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 libperf-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 perf 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 perf-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 python3-perf 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 python3-perf-debuginfo 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 rtla 0:6.12.0-211.72.1.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 rv 0:6.12.0-211.72.1.el10_2
Red Hat · Shadow Migration Toolkit 10 shadow_migration_toolkit:10::el10 kernel-modules-internal 0:6.12.0-211.72.1.el10_2

Vulnerabilities 17

  • Critical 9.8
    CVE-2026-80586

    mptcp: options: reset DSS fields in case of unexpected size

    In the Linux kernel, the following vulnerability has been resolved: mptcp: options: reset DSS fields in case of unexpected size A remote peer could send a malformed DSS with a wrong size, followed by another DSS or MPC + Data. In this case, the first suboptio…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Critical 9.8
    CVE-2026-98432 Public exploit

    ipv4: free inet_opt and ireq_opt after an RCU grace period

    In the Linux kernel, the following vulnerability has been resolved: ipv4: free inet_opt and ireq_opt after an RCU grace period tcp_v4_syn_recv_sock() transfers ownership of ireq->ireq_opt to the child socket (newinet->inet_opt) without copying it. Another cpu…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Critical 9.1
    CVE-2026-90011

    scsi: target: iscsi: Reserve a terminator byte for the login payload

    In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Reserve a terminator byte for the login payload iscsi_target_check_login_request() rejects a login PDU whose DataSegmentLength exceeds MAX_KEY_VALUE_PAIRS, but the test i…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.8
    CVE-2026-46174

    x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache

    In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resources are not improperly shared in the op cache and cause instruction corruption this way.

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.8
    CVE-2026-89932

    KVM: nVMX: Always flush vpid02 on first use

    In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always flush vpid02 on first use Make sure vpid02 is always flushed on first use by setting last_vpid=0 when allocating vpid02. nested_vmx_transition_tlb_flush() will always detect…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.4
    CVE-2026-89603 Rejected

    This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

    linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  • High 8.4
    CVE-2026-93827

    virtio-fs: avoid double-free on failed queue setup

    In the Linux kernel, the following vulnerability has been resolved: virtio-fs: avoid double-free on failed queue setup virtio_fs_setup_vqs() allocates fs->vqs and fs->mq_map before calling virtio_find_vqs(). If virtio_find_vqs() fails, the error path frees bo…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 8.1
    CVE-2026-93787

    smb: client: bound dirent name against end of SMB response in cifs_filldir

    In the Linux kernel, the following vulnerability has been resolved: smb: client: bound dirent name against end of SMB response in cifs_filldir cifs_filldir() copies the entry name out of an SMB1 TRANS2_FIND_FIRST / FIND_NEXT response using a length (de.namele…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • High 7.8
    CVE-2026-64191

    i2c: stub: Reject I2C block transfers with invalid length

    In the Linux kernel, the following vulnerability has been resolved: i2c: stub: Reject I2C block transfers with invalid length The I2C_SMBUS_I2C_BLOCK_DATA case in stub_xfer() uses data->block[0] as the transfer length. The existing check only clamps it to avo…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-68398 Public exploit

    ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF

    In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tp_recv() runs in the L2TP UDP-encap softirq RX path: l2tp_udp_encap_recv() -> l2tp_recv_common() -> pppol2tp_recv(…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-74283

    tipc: require net admin for TIPCv2 netlink mutators

    In the Linux kernel, the following vulnerability has been resolved: tipc: require net admin for TIPCv2 netlink mutators TIPCv2 registers mutating generic-netlink operations without admin permission flags. Generic netlink only checks CAP_NET_ADMIN when an oper…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-98364

    xfrm: hold net_device reference under RCU in bundle creation

    In the Linux kernel, the following vulnerability has been resolved: xfrm: hold net_device reference under RCU in bundle creation xfrm_bundle_create() and xfrm_create_dummy_bundle() read dst->dev into a local pointer without taking a device reference, then pas…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2026-22977

    net: sock: fix hardened usercopy panic in sock_recv_errqueue

    In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sock_recv_errqueue skbuff_fclone_cache was created without defining a usercopy region, [1] unlike skbuff_head_cache which properly whitelists the cb[…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2026-68169

    mptcp: pm: userspace: fix use-after-free in get_local_id

    In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: userspace: fix use-after-free in get_local_id In mptcp_pm_userspace_get_local_id(), the address entry is looked up under spinlock, but its id is read after dropping the lock. A con…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2026-98222

    KEYS: encrypted: fix integer overflow of datablob_len

    In the Linux kernel, the following vulnerability has been resolved: KEYS: encrypted: fix integer overflow of datablob_len encrypted_key_alloc() stores datablob_len in a u16. It is computed from multiple string and payload lengths. If the result exceeds U16_MA…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2026-98725

    nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge()

    In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge() nvmet_auth_challenge() receives its output buffer as a void pointer. sizeof(*d) therefore evaluates to one with GCC and undercoun…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Unscored —
    CVE-2026-99284

    net: skbuff: propagate shared-frag marker in skb_zerocopy()

    In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker in skb_zerocopy() skb_zerocopy() moves frag descriptors from @from into @to and takes a reference on each frag, but it does not copy skb_shinfo(from)…

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

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2431602
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2482549
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2502872
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2513188
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2513435
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2516935
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2524438
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2532493
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2535212
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2535227
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2540396
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2540555
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2546385
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2546487
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2553390
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2555068
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_93413.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-22977
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-22977
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-22977
  • article
    https://git.kernel.org/stable/c/005671c60fcf1dbdb8bddf12a62568fd5e4ec391
  • article
    https://git.kernel.org/stable/c/2a71a1a8d0ed718b1c7a9ac61f07e5755c47ae20
  • article
    https://git.kernel.org/stable/c/582a5e922a9652fcbb7d0165c95d5b20aa37575d
  • article
    https://git.kernel.org/stable/c/88dd6be7ebb3153b662c2cebcb06e032a92857f5
  • article
    https://git.kernel.org/stable/c/8c6901aa29626e35045130bac09b75f791acca85
  • article
    https://git.kernel.org/stable/c/c655d2167bf014d4c61b4faeca59b60ff9b9f6b1
  • article
    https://git.kernel.org/stable/c/e00b169eaac5f7cdbf710c354c8fa76d02009115
  • report
    https://access.redhat.com/security/cve/CVE-2026-46174
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-46174
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-46174
  • article
    https://lore.kernel.org/linux-cve-announce/2026052828-CVE-2026-46174-e399@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-64191
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-64191
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-64191
  • article
    https://lore.kernel.org/linux-cve-announce/2026072052-CVE-2026-64191-42fe@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-68169
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-68169
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-68169