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Red Hat Product Errata RHSA-2026:16061 - Security Advisory
Issued:
2026-05-11
Updated:
2026-05-11

RHSA-2026:16061 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: kernel security update

Type/Severity

Security Advisory: Important

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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

Security Fix(es):

  • kernel: "Dirty Frag" is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel (CVE-2026-43284)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

  • Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8 x86_64
  • Red Hat Enterprise Linux Server - TUS 8.8 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64

Fixes

  • BZ - 2467771 - CVE-2026-43284 kernel: "Dirty Frag" is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel

CVEs

  • CVE-2026-43284

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8

SRPM
kernel-4.18.0-477.140.1.el8_8.src.rpm SHA-256: 03cfc1e1c5a358bbe418d55787027365dcce409b5078d80ce83226beee387488
x86_64
bpftool-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: edd00c1c363094af5a97c6f2320b627145135fd52e7f27d58a08d736551577b2
bpftool-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 53ccebb7e621aa7ece53431e644ea53c1a6d66f81a7ae95124be970ef75e0e14
kernel-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 5311527c52f32e6c7443ff9d3c435ad9722bab7bc3df6ad2908790d948fc905a
kernel-abi-stablelists-4.18.0-477.140.1.el8_8.noarch.rpm SHA-256: 3bcfb0334806dab7cb7748fcb16f3583cb7d1bff6595b671df79eb450e8670de
kernel-core-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: dd65924c99a22f6c9e10f61d1e74eda2cdc9dda902dc6e747164708d4955f8bd
kernel-cross-headers-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 8e90fc690eb5194b46f55e1dde358d5748623041dbf7cd087f19d7eb04ce05a0
kernel-debug-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: d82e31d4e4cd40dde39705a756367e12ce6884923b9af3e23f22d23de6ee3cd2
kernel-debug-core-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 56c93e24a579524589a05d21da132d45b59ae611c6e109c787fbe7695ff132dd
kernel-debug-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: ebe3cf49948ae72bdcf2001860ab0112c342a7538cd14a5e9b0fc38571bc02bd
kernel-debug-devel-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 860f9d14544c5eed882596d2f77ff13f0290e696da43c3f6dc73da26893a6645
kernel-debug-modules-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: a9271f3bc7f5cd83781b7f0a2f59d396f989932a6845bf5ad28501ad0db62641
kernel-debug-modules-extra-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: baa95419222470b80dc748bf676a2bfd95a362a92440cacc51cccaf138a62394
kernel-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 0b91b7aa0fd8b8278c3d8141f1ab5573c967c0d35bd761929a9eef7c3493f4cb
kernel-debuginfo-common-x86_64-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: fb17997788d7419d97d912f09681ba0c7c45d81a214bb3b9ba490790ce03244a
kernel-devel-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 109ea15916d4db9e614574584c247516f6a283a48442e46a56e49b35420f8954
kernel-doc-4.18.0-477.140.1.el8_8.noarch.rpm SHA-256: 1e267c721305b0d2b8e8ca9ec4daedd4c42626f025b344623d77818af65cff0b
kernel-headers-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: eddce9fbff145ef5bfe0192e64571c82b85ffd5cb09e57e578cd3ead00eb240f
kernel-modules-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 5eb10cbcecb73dcc78fe24050a2544bc46fa65c19df8087a9fab8a512af24a2e
kernel-modules-extra-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: ac8d4abdbfbaff1b1f3478421ca83f57574e2aa2ad1e96771d9ec161bb7bbe8e
kernel-tools-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: b542a2651074d7c7330f99db7ee4981b7e0dae7014dc1868701fe103afcef3ef
kernel-tools-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 925f84bdc9bb10779f0e9b1bba4f94d606f745c4a507397a258af45eb5ec3397
kernel-tools-libs-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 99ad9bb41304f974ec695671b4b2f5fb20e4d1eab243f5c044926999a28c33aa
perf-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 6170b250f34b839299f00008cbe0374392dd27d0800105f9837f1b33f89b9c0b
perf-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 284cccdecd80d5fb7392e41a1fa7151be404997c8af7e30ee1560645c04b54b2
python3-perf-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 9503ccf368c791077c4d7e3f1caf93635cac68bbbe3aa7359a0a84eed5f7cd19
python3-perf-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: d0a6299b24310e9c7de628456ae7e19d99ab07e08270d19847340d1279721082

Red Hat Enterprise Linux Server - TUS 8.8

SRPM
kernel-4.18.0-477.140.1.el8_8.src.rpm SHA-256: 03cfc1e1c5a358bbe418d55787027365dcce409b5078d80ce83226beee387488
x86_64
bpftool-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: edd00c1c363094af5a97c6f2320b627145135fd52e7f27d58a08d736551577b2
bpftool-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 53ccebb7e621aa7ece53431e644ea53c1a6d66f81a7ae95124be970ef75e0e14
kernel-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 5311527c52f32e6c7443ff9d3c435ad9722bab7bc3df6ad2908790d948fc905a
kernel-abi-stablelists-4.18.0-477.140.1.el8_8.noarch.rpm SHA-256: 3bcfb0334806dab7cb7748fcb16f3583cb7d1bff6595b671df79eb450e8670de
kernel-core-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: dd65924c99a22f6c9e10f61d1e74eda2cdc9dda902dc6e747164708d4955f8bd
kernel-cross-headers-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 8e90fc690eb5194b46f55e1dde358d5748623041dbf7cd087f19d7eb04ce05a0
kernel-debug-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: d82e31d4e4cd40dde39705a756367e12ce6884923b9af3e23f22d23de6ee3cd2
kernel-debug-core-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 56c93e24a579524589a05d21da132d45b59ae611c6e109c787fbe7695ff132dd
kernel-debug-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: ebe3cf49948ae72bdcf2001860ab0112c342a7538cd14a5e9b0fc38571bc02bd
kernel-debug-devel-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 860f9d14544c5eed882596d2f77ff13f0290e696da43c3f6dc73da26893a6645
kernel-debug-modules-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: a9271f3bc7f5cd83781b7f0a2f59d396f989932a6845bf5ad28501ad0db62641
kernel-debug-modules-extra-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: baa95419222470b80dc748bf676a2bfd95a362a92440cacc51cccaf138a62394
kernel-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 0b91b7aa0fd8b8278c3d8141f1ab5573c967c0d35bd761929a9eef7c3493f4cb
kernel-debuginfo-common-x86_64-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: fb17997788d7419d97d912f09681ba0c7c45d81a214bb3b9ba490790ce03244a
kernel-devel-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 109ea15916d4db9e614574584c247516f6a283a48442e46a56e49b35420f8954
kernel-doc-4.18.0-477.140.1.el8_8.noarch.rpm SHA-256: 1e267c721305b0d2b8e8ca9ec4daedd4c42626f025b344623d77818af65cff0b
kernel-headers-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: eddce9fbff145ef5bfe0192e64571c82b85ffd5cb09e57e578cd3ead00eb240f
kernel-modules-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 5eb10cbcecb73dcc78fe24050a2544bc46fa65c19df8087a9fab8a512af24a2e
kernel-modules-extra-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: ac8d4abdbfbaff1b1f3478421ca83f57574e2aa2ad1e96771d9ec161bb7bbe8e
kernel-tools-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: b542a2651074d7c7330f99db7ee4981b7e0dae7014dc1868701fe103afcef3ef
kernel-tools-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 925f84bdc9bb10779f0e9b1bba4f94d606f745c4a507397a258af45eb5ec3397
kernel-tools-libs-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 99ad9bb41304f974ec695671b4b2f5fb20e4d1eab243f5c044926999a28c33aa
perf-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 6170b250f34b839299f00008cbe0374392dd27d0800105f9837f1b33f89b9c0b
perf-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 284cccdecd80d5fb7392e41a1fa7151be404997c8af7e30ee1560645c04b54b2
python3-perf-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 9503ccf368c791077c4d7e3f1caf93635cac68bbbe3aa7359a0a84eed5f7cd19
python3-perf-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: d0a6299b24310e9c7de628456ae7e19d99ab07e08270d19847340d1279721082

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8

SRPM
kernel-4.18.0-477.140.1.el8_8.src.rpm SHA-256: 03cfc1e1c5a358bbe418d55787027365dcce409b5078d80ce83226beee387488
ppc64le
bpftool-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 359a97abf0edf75c105f114f7b761836dbcac1e456b06e82b340630f037f11be
bpftool-debuginfo-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: e533551e1f8512b2d438ca5b4316f27186e480707c2bff6ccc649e358ec9635e
kernel-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 47f99cd5dcf5fdd225221cbf7e63eba11b7a72ed9cdff912b1005996ee0d0242
kernel-abi-stablelists-4.18.0-477.140.1.el8_8.noarch.rpm SHA-256: 3bcfb0334806dab7cb7748fcb16f3583cb7d1bff6595b671df79eb450e8670de
kernel-core-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 0484d5b4c37393c0a390f7801016ce9b490c527f92a8095fa4bfb621264f3c31
kernel-cross-headers-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 71fd1931c674d11823c0bb0b5cc5f12641683295e2e129e097d0b356838138f0
kernel-debug-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: e9787a5afb0719f6efea8c9585d8bb935ad67cbbcbdff25c776c463a89b6c285
kernel-debug-core-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 852483302c90de76ff7943f4d7b2256f9fe38f291d3def8cd8b68aa1089cadb7
kernel-debug-debuginfo-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: cb5c37933521950d148f7f7aab14eb30186bac98c154e95d2b2b580fee84cb4a
kernel-debug-devel-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: dd47344576200028438cdbe8c9fbc902856823f0716b978b82f50d44f7064244
kernel-debug-modules-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: ef54ecde367768c0accbb50ab87a29183567cd6d2373c0013eee8153c338374f
kernel-debug-modules-extra-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 80e0a3b7221c1d4ba0fdffc09cbc5d911099e0e2a3dd1168bf53c9028ff7a457
kernel-debuginfo-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 0e9bd886337659e5202c4bb530f1af1a50c2485b1f47b4b6efa1b2eb0adf4c10
kernel-debuginfo-common-ppc64le-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 0bfb99e2fd87f9f324ec25352fdfe5eb3a3422b5a280fc84b42336719aa2c3a6
kernel-devel-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 29299a0899e5a006f64c2f748716572878ae52b55726f3451a0e27b424fc725e
kernel-doc-4.18.0-477.140.1.el8_8.noarch.rpm SHA-256: 1e267c721305b0d2b8e8ca9ec4daedd4c42626f025b344623d77818af65cff0b
kernel-headers-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: f461ff8952390fd9efdcd92343357e9ad4597b3d67b0aca2de13c5569431300c
kernel-modules-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: faa0c70ffb5611324ca992e473e574f1303a57f71ebbb1e5b18183223857f9c5
kernel-modules-extra-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 0a3e0e9b44297f15e80e7e4603fbdb771b4cd587fad14e8805e4600bdf14d395
kernel-tools-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 276aa593c0fadf743d8dc417f12b1d53777159aa368f03131548a208adf2cbf1
kernel-tools-debuginfo-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 6130ab4d463991d186b91735f0e6094bdc52b0437a26cb1cb34bb024fd036bf0
kernel-tools-libs-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: c7bc2659bc5c40530a203ea05c86ec20608da9548dc539bfaa72d5c6bbae44be
perf-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: cfa239ca18f42880d5e809b91a47387b338f31f9731425385719700937b1acbe
perf-debuginfo-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: fe89ef0f7f98656e1d4a0644cc3683c5df15331b26434eb7324ef7fbef4fa5cc
python3-perf-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: 86a6cca5ac33e305eb5d28f585502e1effe10558240d2ab0febc8965bf2fff14
python3-perf-debuginfo-4.18.0-477.140.1.el8_8.ppc64le.rpm SHA-256: b1c8c1c39d6ed2e723523e595e552fdbed166cc1160ae8b7e9ad578d205a934d

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8

SRPM
kernel-4.18.0-477.140.1.el8_8.src.rpm SHA-256: 03cfc1e1c5a358bbe418d55787027365dcce409b5078d80ce83226beee387488
x86_64
bpftool-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: edd00c1c363094af5a97c6f2320b627145135fd52e7f27d58a08d736551577b2
bpftool-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 53ccebb7e621aa7ece53431e644ea53c1a6d66f81a7ae95124be970ef75e0e14
kernel-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 5311527c52f32e6c7443ff9d3c435ad9722bab7bc3df6ad2908790d948fc905a
kernel-abi-stablelists-4.18.0-477.140.1.el8_8.noarch.rpm SHA-256: 3bcfb0334806dab7cb7748fcb16f3583cb7d1bff6595b671df79eb450e8670de
kernel-core-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: dd65924c99a22f6c9e10f61d1e74eda2cdc9dda902dc6e747164708d4955f8bd
kernel-cross-headers-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 8e90fc690eb5194b46f55e1dde358d5748623041dbf7cd087f19d7eb04ce05a0
kernel-debug-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: d82e31d4e4cd40dde39705a756367e12ce6884923b9af3e23f22d23de6ee3cd2
kernel-debug-core-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 56c93e24a579524589a05d21da132d45b59ae611c6e109c787fbe7695ff132dd
kernel-debug-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: ebe3cf49948ae72bdcf2001860ab0112c342a7538cd14a5e9b0fc38571bc02bd
kernel-debug-devel-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 860f9d14544c5eed882596d2f77ff13f0290e696da43c3f6dc73da26893a6645
kernel-debug-modules-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: a9271f3bc7f5cd83781b7f0a2f59d396f989932a6845bf5ad28501ad0db62641
kernel-debug-modules-extra-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: baa95419222470b80dc748bf676a2bfd95a362a92440cacc51cccaf138a62394
kernel-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 0b91b7aa0fd8b8278c3d8141f1ab5573c967c0d35bd761929a9eef7c3493f4cb
kernel-debuginfo-common-x86_64-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: fb17997788d7419d97d912f09681ba0c7c45d81a214bb3b9ba490790ce03244a
kernel-devel-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 109ea15916d4db9e614574584c247516f6a283a48442e46a56e49b35420f8954
kernel-doc-4.18.0-477.140.1.el8_8.noarch.rpm SHA-256: 1e267c721305b0d2b8e8ca9ec4daedd4c42626f025b344623d77818af65cff0b
kernel-headers-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: eddce9fbff145ef5bfe0192e64571c82b85ffd5cb09e57e578cd3ead00eb240f
kernel-modules-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 5eb10cbcecb73dcc78fe24050a2544bc46fa65c19df8087a9fab8a512af24a2e
kernel-modules-extra-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: ac8d4abdbfbaff1b1f3478421ca83f57574e2aa2ad1e96771d9ec161bb7bbe8e
kernel-tools-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: b542a2651074d7c7330f99db7ee4981b7e0dae7014dc1868701fe103afcef3ef
kernel-tools-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 925f84bdc9bb10779f0e9b1bba4f94d606f745c4a507397a258af45eb5ec3397
kernel-tools-libs-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 99ad9bb41304f974ec695671b4b2f5fb20e4d1eab243f5c044926999a28c33aa
perf-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 6170b250f34b839299f00008cbe0374392dd27d0800105f9837f1b33f89b9c0b
perf-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 284cccdecd80d5fb7392e41a1fa7151be404997c8af7e30ee1560645c04b54b2
python3-perf-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: 9503ccf368c791077c4d7e3f1caf93635cac68bbbe3aa7359a0a84eed5f7cd19
python3-perf-debuginfo-4.18.0-477.140.1.el8_8.x86_64.rpm SHA-256: d0a6299b24310e9c7de628456ae7e19d99ab07e08270d19847340d1279721082

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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