Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Affects Red Hat kernel security,Source GCVE Database
Mentioned vulnerabilities
Not known to be exploited · fixed in Red Hat package updates : update Red Hat kernel security, when convenient.
Data as of 29 Oct 2026, 08:26 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- Patch
- Available – fixed in f81244fd6b14fecfa93b66b6bb1d59f96554e550, e125c8e346e4eb7b3e854c862fcb4392bc13ddba, 84238876e3b3b262cf62d5f4d1338e983fb27010 +4
Exploitation evidence
Disclosed: evidence found.
CVE published 14 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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Description
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: crypto: af_alg - zero initialize memory allocated via sock_kmalloc (CVE-2025-71113) * kernel: scsi: core: Wake up the error handler when final completions race against each other (CVE-2026-23110) * kernel: Linux kernel: xfrm single-frag length not properly limited () * kernel: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels (CVE-2026-46099) * kernel: fanotify: fix false positive on permission events (CVE-2026-46150) * kernel: drm: Set old handle to NULL before prime swap in change_handle (CVE-2026-46215) * kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071) * kernel: can: bcm: thrtimer use-after-free during RX operation teardown () Bug Fix(es) and Enhancement(s): * [RHEL9] tools/lib/perf/Makefile: libperf includes appended after CFLAGS causes parallel build race, breaking kernel builds [rhel-9.8.z] (JIRA:RHEL-183980) * [RHEL-9.8.z]: mlx5: include bug fixes (JIRA:RHEL-188121) * dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync() [rhel-9.8.z] (JIRA:RHEL-212061) 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.
References
- access.redhat.com/errata/RHSA-2026:43307 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2429611 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2436755 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2481972 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2482612 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2482615 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2492458 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2502866 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_43307.json (opens in a new tab)