ALSA-2026:55764

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Source
https://errata.almalinux.org/8/ALSA-2026-55764.html
Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALSA-2026:55764
Related
Published
2026-08-17T00:00:00Z
Modified
2026-08-18T11:27:24.256871710Z
Summary
Important: kernel security, bug fix, and enhancement update
Details

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

Security Fix(es):

  • kernel: mm/slub: avoid accessing metadata when pointer is invalid in object_err() (CVE-2025-39902)
  • kernel: drm/amdkfd: Fix out-of-bounds write in kfdeventpage_set() (CVE-2026-43206)
  • kernel: crypto: ccp - copy IV using skcipher ivsize (CVE-2026-53016)
  • kernel: drm/amd/display: Clamp VBIOS HDMI retimer register count to array size (CVE-2026-53136)
  • kernel: drm/amd/display: Use kreallocarray() in dalvector_reserve() (CVE-2026-53329)
  • kernel: drm/amdgpu: zero-initialize GART table on allocation (CVE-2026-53374)
  • kernel: drm/i915: Fix potential UAF in TTM object purge (CVE-2026-63884)
  • kernel: drm/amdgpu: fix amdgpuhmmrangegetpages (CVE-2026-63879)
  • kernel: drm/amd/display: Validate payload length and linkindex in dcprocessdmubauxtransferasync (CVE-2026-64219)
  • kernel: can:bcm: arbitrary kernel code execution leading to escalate privileges (CVE-2026-17523)

Bug Fix(es) and Enhancement(s):

  • Backport "sched/deadline: Fix bandwidth reclaim equation in GRUB" to AlmaLinux 8.10 (JIRA:AlmaLinux-189997)
  • vhost: reset the vring metadata cache on vring reconfiguration [almalinux-8.10.z] (JIRA:AlmaLinux-224556)

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.

References

Affected packages

AlmaLinux:8
bpftool

Package

Name
bpftool
Purl
pkg:rpm/almalinux/bpftool

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel

Package

Name
kernel
Purl
pkg:rpm/almalinux/kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-abi-stablelists

Package

Name
kernel-abi-stablelists
Purl
pkg:rpm/almalinux/kernel-abi-stablelists

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-core

Package

Name
kernel-core
Purl
pkg:rpm/almalinux/kernel-core

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-cross-headers

Package

Name
kernel-cross-headers
Purl
pkg:rpm/almalinux/kernel-cross-headers

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-debug

Package

Name
kernel-debug
Purl
pkg:rpm/almalinux/kernel-debug

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-debug-core

Package

Name
kernel-debug-core
Purl
pkg:rpm/almalinux/kernel-debug-core

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-debug-devel

Package

Name
kernel-debug-devel
Purl
pkg:rpm/almalinux/kernel-debug-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-debug-modules

Package

Name
kernel-debug-modules
Purl
pkg:rpm/almalinux/kernel-debug-modules

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-debug-modules-extra

Package

Name
kernel-debug-modules-extra
Purl
pkg:rpm/almalinux/kernel-debug-modules-extra

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-devel

Package

Name
kernel-devel
Purl
pkg:rpm/almalinux/kernel-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-doc

Package

Name
kernel-doc
Purl
pkg:rpm/almalinux/kernel-doc

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-headers

Package

Name
kernel-headers
Purl
pkg:rpm/almalinux/kernel-headers

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-modules

Package

Name
kernel-modules
Purl
pkg:rpm/almalinux/kernel-modules

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-modules-extra

Package

Name
kernel-modules-extra
Purl
pkg:rpm/almalinux/kernel-modules-extra

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-tools

Package

Name
kernel-tools
Purl
pkg:rpm/almalinux/kernel-tools

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-tools-libs

Package

Name
kernel-tools-libs
Purl
pkg:rpm/almalinux/kernel-tools-libs

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-tools-libs-devel

Package

Name
kernel-tools-libs-devel
Purl
pkg:rpm/almalinux/kernel-tools-libs-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-zfcpdump

Package

Name
kernel-zfcpdump
Purl
pkg:rpm/almalinux/kernel-zfcpdump

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-zfcpdump-core

Package

Name
kernel-zfcpdump-core
Purl
pkg:rpm/almalinux/kernel-zfcpdump-core

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-zfcpdump-devel

Package

Name
kernel-zfcpdump-devel
Purl
pkg:rpm/almalinux/kernel-zfcpdump-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-zfcpdump-modules

Package

Name
kernel-zfcpdump-modules
Purl
pkg:rpm/almalinux/kernel-zfcpdump-modules

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
kernel-zfcpdump-modules-extra

Package

Name
kernel-zfcpdump-modules-extra
Purl
pkg:rpm/almalinux/kernel-zfcpdump-modules-extra

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
perf

Package

Name
perf
Purl
pkg:rpm/almalinux/perf

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"
python3-perf

Package

Name
python3-perf
Purl
pkg:rpm/almalinux/python3-perf

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-553.156.1.el8_10

Database specific

source 
"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:55764.json"