RLSA-2026:85774

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Source
https://errata.rockylinux.org/RLSA-2026:85774
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:85774.json
JSON Data
https://api.test.osv.dev/v1/vulns/RLSA-2026:85774
Upstream
CVE (9)
Published
2026-10-21T06:38:15Z
Modified
2026-10-21T07:15:02Z
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-rt security, bug fix, and enhancement update
Details

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

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

  • kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196)

  • 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: sctp: stop processing a packet once its association is deleted (CVE-2026-89479)

  • kernel: perf: Fix addr_filter_ranges lifetime (CVE-2026-93817)

  • kernel: netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state (CVE-2026-93288)

  • kernel: kernel: strparser: use-after-free via msg_timer_work rearm after strp_done() cancellation ()

  • kernel: netfilter: flowtable: hold reference on ct until flow is released (CVE-2026-98320)

Bug Fix(es) and Enhancement(s):

  • gfs2 filesystem withdrawal rework [Rocky Linux-8] (JIRA:Rocky Linux-129363)

  • Batch: z-stream xfrm - rhel-8.10.z (NST-Core-26W38) (JIRA:Rocky Linux-256684)

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-2026:85774"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / kernel-rt

Package

Name
kernel-rt
Purl
pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-553.176.1.rt7.517.el8_10
Database specific
Show details 
{
    "yum_repository": "NFV"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:85774.json"