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High 1 exploited CVE RHSA-2026:43826 3 CVEs

Red Hat Security Advisory: kpatch-patch-6_12_0-211_16_1 security update

Published Jul 23, 2026 · Updated Oct 15, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.2 kpatch-patch-6_12_0-211_16_1 0:1-4.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kpatch-patch-6_12_0-211_16_1-debuginfo 0:1-4.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 kpatch-patch-6_12_0-211_16_1-debugsource 0:1-4.el10_2

Vulnerabilities 3

  • High 7.8
    CVE-2026-53362 Exploited Public exploit

    ipv6: account for fraggap on the paged allocation path

    In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In __ip6_append_data(), when the paged-allocation branch is taken (MSG_MORE / NETIF_F_SG / large fraglen), alloclen and pagedlen are com…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
    KEV Aug 27, 2026
  • High 8.8
    CVE-2026-53359 Public exploit

    KVM: x86: Fix shadow paging use-after-free due to unexpected role

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad ("KVM: x86: Fix shadow paging use-after-free due to unexpected GFN") fixed a shadow paging mismatch betw…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.8
    CVE-2026-46242 Public exploit

    eventpoll: fix ep_remove struct eventpoll / struct file UAF

    In the Linux kernel, the following vulnerability has been resolved: eventpoll: fix ep_remove struct eventpoll / struct file UAF ep_remove() (via ep_remove_file()) cleared file->f_ep under file->f_lock but then kept using @file inside the critical section (is_…

    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=2483519
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2495904
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2497033
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_43826.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-46242
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-46242
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-46242
  • article
    https://lore.kernel.org/linux-cve-announce/2026053014-CVE-2026-46242-8394@gregkh/T
  • report
    https://access.redhat.com/security/cve/CVE-2026-53359
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-53359
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-53359
  • article
    https://lore.kernel.org/linux-cve-announce/2026070403-CVE-2026-53359-4f57@gregkh/T
  • article
    https://www.openwall.com/lists/oss-security/2026/07/06/7
  • report
    https://access.redhat.com/security/cve/CVE-2026-53362
  • article
    https://access.redhat.com/security/vulnerabilities/RHSB-2026-009
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-53362
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-53362
  • article
    https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=736b380e28d0
  • article
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog