RLSA-2026:85321

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Source
https://errata.rockylinux.org/RLSA-2026:85321
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:85321.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:85321
Upstream
CVE (17)
Published
2026-10-21T12:08:03Z
Modified
2026-10-21T12:30:02Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Important: kernel security, bug fix, and enhancement update
Details

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: openvswitch: defer tunnel netdev_put to RCU release (CVE-2026-31678)

  • kernel: xfrm: espintcp: do not reuse an in-progress partial send (CVE-2026-52935)

  • kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917)

  • kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801)

  • kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971)

  • kernel: usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() (CVE-2026-63962)

  • kernel: sctp: avoid auth_enable sysctl UAF during netns teardown (CVE-2026-68162)

  • kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() (CVE-2026-68117)

  • kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300)

  • kernel: sctp: validate stream count in sctp_process_strreset_inreq() (CVE-2026-68315)

  • kernel: Bluetooth: hci_sync: Fix advertising data UAFs (CVE-2026-74509)

  • kernel: sctp: keep chunk->transport in step with the list it is queued on (CVE-2026-74588)

  • kernel: sctp: validate cookie AUTH state before use (CVE-2026-74752)

  • kernel: smb: client: reject a tree connect response whose byte count is too small (CVE-2026-89631)

  • kernel: smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() (CVE-2026-89633)

  • kernel: signal: Prevent exec() race (CVE-2026-98256)

  • kernel: exec: Cleanup POSIX timers right after de_thread() (CVE-2026-98260)

Bug Fix(es) and Enhancement(s):

  • [10.2.z] kselftests: mm: hugepage-mremap: Bail out! mremap: Expected failure, but call succeeded (JIRA:Rocky Linux-181987)

  • [IBM 10.3 FEAT] zcrypt driver overwrite function - kernel part [rhel-10.2.z] (JIRA:Rocky Linux-245336)

  • Batch: z-stream xfrm - rhel-10.2.z (NST-Core-26W38) (JIRA:Rocky Linux-256678)

  • RHIVOS - [backport] S32G Driver Enablement - USB (JIRA:Rocky Linux-257228)

  • Fix pending kernel issues for L1VH GA - Kernel (JIRA:Rocky Linux-267038)

  • Backport 6785011f8b16 ("ipv4: validate checksum_start before completing checksum") [rhel-10.2.z] (JIRA:Rocky Linux-280590)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Database specific 
{
    "license":  "CC-BY-4.0",
    "license_url":  "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory":  "RHSA-2026:85321"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:10 / kernel

Package

Name
kernel
Purl
pkg:rpm/rocky-linux/kernel?distro=rocky-linux-10&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:6.12.0-211.67.1.el10_2
Database specific
Show details 
{
    "yum_repository":  "BaseOS"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:85321.json"