Vulnerabilities

Vulnerability · ALSA-2026:91565

Important: kernel security, bug fix, and enhancement update

Published Oct 28, 2026 · catalog updated Oct 28, 2026 · Important: kernel security, bug

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Open the advisory

Exploitation likelihood is not on this record for ALSA-2026:91565. A missing EPSS score is not a low risk. Compare Important: kernel security, bug with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Important: kernel security, bug).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Advisory link
Affected products
AlmaLinux:10 kernel · AlmaLinux:10 kernel-64k · AlmaLinux:10 kernel-64k-core · AlmaLinux:10 kernel-64k-debug · AlmaLinux:10 kernel-64k-debug-core · AlmaLinux:10 kernel-64k-debug-devel

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: tcp: restrict SO_ATTACH_FILTER to priv users (CVE-2026-53236) * kernel: fuse: re-lock request before replacing page cache folio (CVE-2026-53388) * kernel: net: shaper: rework the VALID marking (again) (CVE-2026-64027) * kernel: net/handshake: hand off the pinned file reference to accept_doit (CVE-2026-63979) * kernel: net/handshake: Drain pending requests at net namespace exit (CVE-2026-63978) * kernel: af_unix: Fix UAF read of tail->len in unix_stream_data_wait() (CVE-2026-64109) * kernel: net/handshake: Take a long-lived file reference at submit (CVE-2026-64523) * kernel: net: gro: fix double aggregation of flush-marked skbs (CVE-2026-68136) * kernel: net/packet: avoid fanout hook re-registration after unregister (CVE-2026-68338) * kernel: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE (CVE-2026-72083) * kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled (CVE-2026-74515) * kernel: net: smc: fix splice entry lifetime imbalance in smc_rx_splice (CVE-2026-74631) * kernel: usb: usbfs: fix use-after-free of usb_device in usbdev_release() (CVE-2026-80824) * kernel: smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions (CVE-2026-89638) * kernel: vfio/pci: clear vdev->msi_perm after freeing it on init failure (CVE-2026-89777) * kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush() (CVE-2026-93262) Bug Fix(es) and Enhancement(s): * x86/microcode: Add platform mask to Intel microcode "old" list [AlmaLinux-10] [almalinux-10.2.z] (JIRA:AlmaLinux-212778) * net: NULL pointer deref kernel panic in fib6_walk_continue under heavy VRF churn [almalinux-10.2.z] (JIRA:AlmaLinux-245489) * backport fixes for lockdep issues reported with rt-debug [almalinux-10.2.z] (JIRA:AlmaLinux-259937) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments,

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • AlmaLinux:10 kernel0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k-core0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k-debug0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k-debug-core0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k-debug-devel0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k-debug-devel-matched0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k-debug-modules0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k-debug-modules-core0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k-debug-modules-extra0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k-devel0 → 6.12.0-211.69.1.el10_2
  • AlmaLinux:10 kernel-64k-devel-matched0 → 6.12.0-211.69.1.el10_2

How to fix ALSA-2026:91565

  • Upgrade

    ALSA-2026:91565 lists a fix boundary at 6.12.0-211.69.1.el10_2. Compare the installed build with that boundary before you change production.

  • Version check

    Fixed in 6.12.0-211.69.1.el10_2 · 5 other ranges on the advisory

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for ALSA-2026:91565. A missing EPSS score is not a low risk. Compare Important: kernel security, bug with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0 → 6.12.0-211.69.1.el10_2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Detected

    The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: tcp: restrict SO_ATTACH_FILTER to priv users (CVE-2026-53236) * kernel: fuse: re-lock request before replacing page cache folio (CVE-2026-53388) * kernel: net: shaper: rework the VALID marking (again) (CVE-2026-64027) * kernel: net/handshake: hand off the pinned file reference to accep

  2. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel fixed in 6.12.0-211.69.1.el10_2; kernel-64k fixed in 6.12.0-211.69.1.el10_2; kernel-64k-core fixed in 6.12.0-211.69.1.el10_2; kernel-64k-debug fixed in 6.12.0-211.69.1.el10_2

  3. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel fixed in 6.12.0-211.69.1.el10_2

  4. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k fixed in 6.12.0-211.69.1.el10_2

  5. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k-core fixed in 6.12.0-211.69.1.el10_2

  6. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k-debug fixed in 6.12.0-211.69.1.el10_2

  7. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k-debug-core fixed in 6.12.0-211.69.1.el10_2

  8. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k-debug-devel fixed in 6.12.0-211.69.1.el10_2

  9. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k-debug-devel-matched fixed in 6.12.0-211.69.1.el10_2

  10. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k-debug-modules fixed in 6.12.0-211.69.1.el10_2

  11. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k-debug-modules-core fixed in 6.12.0-211.69.1.el10_2

  12. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k-debug-modules-extra fixed in 6.12.0-211.69.1.el10_2

  13. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k-devel fixed in 6.12.0-211.69.1.el10_2

  14. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    kernel-64k-devel-matched fixed in 6.12.0-211.69.1.el10_2

  15. Oct 28, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: tcp: restrict SO_ATTACH_FILTER to priv users (CVE-2026-53236) * kernel: fuse: re-lock request before replacing page cache folio (CVE-2026-53388) * kernel: net: shaper: rework the VALID marking (again) (CVE-2026-64027) * kernel: net/handshake: hand off the pinned file reference to accep

Sources

References

Freshness

Last verified in this catalog Oct 28, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • OpenSSF OSV / OSV ScannerOct 29, 2026