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Medium RLSA-2026:3488 3 CVEs

Moderate: kernel security update

Published Mar 5, 2026 · Updated Mar 9, 2026

Summary

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

Security Fix(es):

* kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match() (CVE-2025-40168)

* kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (CVE-2025-71085)

* kernel: Linux kernel: Denial of Service due to a deadlock in hugetlb folio migration (CVE-2026-23097)

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.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 kernel 0:5.14.0-611.36.1.el9_7

Vulnerabilities 3

  • High 8.1

    smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match().

    In the Linux kernel, the following vulnerability has been resolved: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match(). smc_clc_prfx_match() is called from smc_listen_work() and not under RCU nor RTNL. Using sk_dst_get(sk)->dev could trigger UA…

  • High 7.5

    ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() There exists a kernel oops caused by a BUG_ON(nhead < 0) at net/core/skbuff.c:2232 in pskb_expand_head(). This bug is tri…

  • Unscored —

    migrate: correct lock ordering for hugetlb file folios

    In the Linux kernel, the following vulnerability has been resolved: migrate: correct lock ordering for hugetlb file folios Syzbot has found a deadlock (analyzed by Lance Yang): 1) Task (5749): Holds folio_lock, then tries to acquire i_mmap_rwsem(read lock). 2…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2414482
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2429026
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2436802