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OpenAdvisories
High RHSA-2026:19574 1 CVE

Red Hat Security Advisory: kpatch-patch-4_18_0-553_109_1, kpatch-patch-4_18_0-553_40_1, kpatch-patch-4_18_0-553_53_1, kpatch-patch-4_18_0-553_72_1, and kpatch-patch-4_18_0-553_85_1 security update

Published May 21, 2026 · Updated Oct 9, 2026

Ecosystem: Red Hat

Fixed packages 15

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_109_1 0:1-2.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_109_1-debuginfo 0:1-2.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_109_1-debugsource 0:1-2.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_40_1 0:1-11.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_40_1-debuginfo 0:1-11.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_40_1-debugsource 0:1-11.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_53_1 0:1-9.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_53_1-debuginfo 0:1-9.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_53_1-debugsource 0:1-9.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_72_1 0:1-6.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_72_1-debuginfo 0:1-6.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_72_1-debugsource 0:1-6.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_85_1 0:1-4.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_85_1-debuginfo 0:1-4.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kpatch-patch-4_18_0-553_85_1-debugsource 0:1-4.el8_10

Vulnerabilities 1

  • High 8.8
    CVE-2026-43284 Public exploit EPSS 94%

    xfrm: esp: avoid in-place decrypt on shared skb frags

    In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter()…

    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=2467771
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_19574.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-43284
  • article
    https://access.redhat.com/security/vulnerabilities/RHSB-2026-003
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43284
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43284
  • article
    https://dirtyfrag.io/