Red Hat Product Errata RHSA-2026:39082 - Security Advisory
Issued:
2026-07-14
Updated:
2026-07-14

RHSA-2026:39082 - Security Advisory

Synopsis

Important: kernel-rt update

Type/Severity

Security Advisory: Important

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Please update

Description

Please update

Solution

Please update

Affected Products

  • Red Hat Enterprise Linux for Real Time 8 x86_64
  • Red Hat Enterprise Linux for Real Time for NFV 8 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64

Fixes

  • BZ - 2429036 - CVE-2025-71066 kernel: net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change
  • BZ - 2429104 - CVE-2025-71089 kernel: iommu: disable SVA when CONFIG_X86 is set
  • BZ - 2456521 - CVE-2026-31411 kernel: net: atm: fix crash due to unvalidated vcc pointer in sigd_send()
  • BZ - 2480453 - CVE-2026-43499 kernel: rtmutex: Use waiter::task instead of current in remove_waiter()
  • BZ - 2482587 - CVE-2026-46113 kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN
  • BZ - 2485368 - CVE-2026-53266 kernel: Linux kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware address rewrite
  • BZ - 2492805 - CVE-2026-53166 kernel: futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock
  • BZ - 2497033 - CVE-2026-53359 kernel: KVM: x86: Fix shadow paging use-after-free due to unexpected role

Red Hat Enterprise Linux for Real Time 8

SRPM
kernel-rt-4.18.0-553.143.1.rt7.484.el8_10.src.rpm SHA-256: 633536c0f7232a792e7161264459582fc5ab5c204912b69786d7f5a582b96544
x86_64
kernel-rt-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: f16aadb6843650b6502865acb180bbd8280fcd42ca5d88e82fe9d61837ef4aa0
kernel-rt-core-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: ab94e742e5340c6da282cf276ab80f6912557045dba50147f12d548da2964577
kernel-rt-debug-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: dbc81002f6288efe52b3201457469034f9784f5aaf15ef56bb825a1f8d91bad2
kernel-rt-debug-core-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 593a4871326cb3a87f5e1e700635aa6c7da9e858b305747ae19cc147bd1a65b6
kernel-rt-debug-debuginfo-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: db6bccd336ec9105db2487af99b942c14822d694f4e958f75b9c42d27bee8697
kernel-rt-debug-devel-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: b703f484388fcc8659c2316b469279e7daa26d868789400707eac706337f222d
kernel-rt-debug-modules-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 2f1eecc17988f276dd78e6725e86496e12ea0d91a052d850a91056f8582b5037
kernel-rt-debug-modules-extra-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: b3b231f8b166e3671d196b66b0faec3a991bc8ef8217fb1d6cc7baa051b404cb
kernel-rt-debuginfo-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 233494ae659f6e5336a7559fa753e69cf2a31ea3ea5b65d30e4a75a2ccf9c355
kernel-rt-debuginfo-common-x86_64-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 9bb3d068267fbff4e478a64127b606593d1ba2e8a837091163c2a13f6babef08
kernel-rt-devel-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 2beff0afa7c60071b9090b0b3f57e46a1f76e4889c111d7893a1334bc5d81ca3
kernel-rt-modules-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 3d6ee48f58719b5ca8940c63e31619900a5717df0893d8749a580115273738f1
kernel-rt-modules-extra-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: cac79e5bf82a9441bda4e072535d6a0428b46caab85435ce11e19c6ff48f8def

Red Hat Enterprise Linux for Real Time for NFV 8

SRPM
kernel-rt-4.18.0-553.143.1.rt7.484.el8_10.src.rpm SHA-256: 633536c0f7232a792e7161264459582fc5ab5c204912b69786d7f5a582b96544
x86_64
kernel-rt-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: f16aadb6843650b6502865acb180bbd8280fcd42ca5d88e82fe9d61837ef4aa0
kernel-rt-core-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: ab94e742e5340c6da282cf276ab80f6912557045dba50147f12d548da2964577
kernel-rt-debug-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: dbc81002f6288efe52b3201457469034f9784f5aaf15ef56bb825a1f8d91bad2
kernel-rt-debug-core-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 593a4871326cb3a87f5e1e700635aa6c7da9e858b305747ae19cc147bd1a65b6
kernel-rt-debug-debuginfo-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: db6bccd336ec9105db2487af99b942c14822d694f4e958f75b9c42d27bee8697
kernel-rt-debug-devel-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: b703f484388fcc8659c2316b469279e7daa26d868789400707eac706337f222d
kernel-rt-debug-kvm-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 3ffd84dab3b52e3909ad043e57a786bc381e3dcea01e1eaf952099800ad35733
kernel-rt-debug-modules-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 2f1eecc17988f276dd78e6725e86496e12ea0d91a052d850a91056f8582b5037
kernel-rt-debug-modules-extra-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: b3b231f8b166e3671d196b66b0faec3a991bc8ef8217fb1d6cc7baa051b404cb
kernel-rt-debuginfo-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 233494ae659f6e5336a7559fa753e69cf2a31ea3ea5b65d30e4a75a2ccf9c355
kernel-rt-debuginfo-common-x86_64-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 9bb3d068267fbff4e478a64127b606593d1ba2e8a837091163c2a13f6babef08
kernel-rt-devel-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 2beff0afa7c60071b9090b0b3f57e46a1f76e4889c111d7893a1334bc5d81ca3
kernel-rt-kvm-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 4c6969361ae4eaa758ac78cb55c490ae5d0770cd0d068d05421981c93f59e9fc
kernel-rt-modules-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 3d6ee48f58719b5ca8940c63e31619900a5717df0893d8749a580115273738f1
kernel-rt-modules-extra-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: cac79e5bf82a9441bda4e072535d6a0428b46caab85435ce11e19c6ff48f8def

Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10

SRPM
kernel-rt-4.18.0-553.143.1.rt7.484.el8_10.src.rpm SHA-256: 633536c0f7232a792e7161264459582fc5ab5c204912b69786d7f5a582b96544
x86_64
kernel-rt-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: f16aadb6843650b6502865acb180bbd8280fcd42ca5d88e82fe9d61837ef4aa0
kernel-rt-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: f16aadb6843650b6502865acb180bbd8280fcd42ca5d88e82fe9d61837ef4aa0
kernel-rt-core-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: ab94e742e5340c6da282cf276ab80f6912557045dba50147f12d548da2964577
kernel-rt-core-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: ab94e742e5340c6da282cf276ab80f6912557045dba50147f12d548da2964577
kernel-rt-debug-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: dbc81002f6288efe52b3201457469034f9784f5aaf15ef56bb825a1f8d91bad2
kernel-rt-debug-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: dbc81002f6288efe52b3201457469034f9784f5aaf15ef56bb825a1f8d91bad2
kernel-rt-debug-core-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 593a4871326cb3a87f5e1e700635aa6c7da9e858b305747ae19cc147bd1a65b6
kernel-rt-debug-core-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 593a4871326cb3a87f5e1e700635aa6c7da9e858b305747ae19cc147bd1a65b6
kernel-rt-debug-debuginfo-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: db6bccd336ec9105db2487af99b942c14822d694f4e958f75b9c42d27bee8697
kernel-rt-debug-debuginfo-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: db6bccd336ec9105db2487af99b942c14822d694f4e958f75b9c42d27bee8697
kernel-rt-debug-devel-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: b703f484388fcc8659c2316b469279e7daa26d868789400707eac706337f222d
kernel-rt-debug-devel-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: b703f484388fcc8659c2316b469279e7daa26d868789400707eac706337f222d
kernel-rt-debug-kvm-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 3ffd84dab3b52e3909ad043e57a786bc381e3dcea01e1eaf952099800ad35733
kernel-rt-debug-modules-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 2f1eecc17988f276dd78e6725e86496e12ea0d91a052d850a91056f8582b5037
kernel-rt-debug-modules-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 2f1eecc17988f276dd78e6725e86496e12ea0d91a052d850a91056f8582b5037
kernel-rt-debug-modules-extra-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: b3b231f8b166e3671d196b66b0faec3a991bc8ef8217fb1d6cc7baa051b404cb
kernel-rt-debug-modules-extra-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: b3b231f8b166e3671d196b66b0faec3a991bc8ef8217fb1d6cc7baa051b404cb
kernel-rt-debuginfo-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 233494ae659f6e5336a7559fa753e69cf2a31ea3ea5b65d30e4a75a2ccf9c355
kernel-rt-debuginfo-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 233494ae659f6e5336a7559fa753e69cf2a31ea3ea5b65d30e4a75a2ccf9c355
kernel-rt-debuginfo-common-x86_64-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 9bb3d068267fbff4e478a64127b606593d1ba2e8a837091163c2a13f6babef08
kernel-rt-debuginfo-common-x86_64-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 9bb3d068267fbff4e478a64127b606593d1ba2e8a837091163c2a13f6babef08
kernel-rt-devel-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 2beff0afa7c60071b9090b0b3f57e46a1f76e4889c111d7893a1334bc5d81ca3
kernel-rt-devel-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 2beff0afa7c60071b9090b0b3f57e46a1f76e4889c111d7893a1334bc5d81ca3
kernel-rt-kvm-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 4c6969361ae4eaa758ac78cb55c490ae5d0770cd0d068d05421981c93f59e9fc
kernel-rt-modules-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 3d6ee48f58719b5ca8940c63e31619900a5717df0893d8749a580115273738f1
kernel-rt-modules-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: 3d6ee48f58719b5ca8940c63e31619900a5717df0893d8749a580115273738f1
kernel-rt-modules-extra-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: cac79e5bf82a9441bda4e072535d6a0428b46caab85435ce11e19c6ff48f8def
kernel-rt-modules-extra-4.18.0-553.143.1.rt7.484.el8_10.x86_64.rpm SHA-256: cac79e5bf82a9441bda4e072535d6a0428b46caab85435ce11e19c6ff48f8def

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