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High RHSA-2026:3865 1 CVE

Red Hat Security Advisory: kpatch-patch-4_18_0-477_107_1, kpatch-patch-4_18_0-477_120_1, kpatch-patch-4_18_0-477_81_1, kpatch-patch-4_18_0-477_89_1, and kpatch-patch-4_18_0-477_97_1 security update

Published Mar 6, 2026 · Updated Jul 30, 2026

Ecosystem: Red Hat

Fixed packages 15

ReleasePackageFixed in
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_107_1 0:1-3.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_107_1-debuginfo 0:1-3.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_107_1-debugsource 0:1-3.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_120_1 0:1-2.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_120_1-debuginfo 0:1-2.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_120_1-debugsource 0:1-2.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_81_1 0:1-11.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_81_1-debuginfo 0:1-11.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_81_1-debugsource 0:1-11.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_89_1 0:1-9.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_89_1-debuginfo 0:1-9.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_89_1-debugsource 0:1-9.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_97_1 0:1-7.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_97_1-debuginfo 0:1-7.el8_8
Red Hat · RHEL 8.8 E4S rhel_e4s:8.8::baseos kpatch-patch-4_18_0-477_97_1-debugsource 0:1-7.el8_8

Vulnerabilities 1

  • High 7.8
    CVE-2025-40248

    vsock: Ignore signal/timeout on connect() if already established

    In the Linux kernel, the following vulnerability has been resolved: vsock: Ignore signal/timeout on connect() if already established During connect(), acting on a signal/timeout by disconnecting an already established socket leads to several issues: 1. connec…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2418872
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3865.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-40248
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-40248
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-40248
  • article
    https://lore.kernel.org/linux-cve-announce/2025120430-CVE-2025-40248-506e@gregkh/T