Linux · Security advisory · August 20, 2026

ELSA-2026-57251: Security update for 30 packages

ELSA-2026-57251, released August 20, 2026, fixes 24 CVEs across 30 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
24
3 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0078
56th percentile

Priority of the 24 CVEs

Patch now 0 Urgent 3 High 21 Routine 0

Fixed package versions

ProductReleaseFixed in
kernelol 100:6.12.0-211.49.1.el10_2
kernel-abi-stablelistsol 100:6.12.0-211.49.1.el10_2
kernel-coreol 100:6.12.0-211.49.1.el10_2
kernel-cross-headersol 100:6.12.0-211.49.1.el10_2
kernel-debugol 100:6.12.0-211.49.1.el10_2
kernel-debug-coreol 100:6.12.0-211.49.1.el10_2
kernel-debug-develol 100:6.12.0-211.49.1.el10_2
kernel-debug-devel-matchedol 100:6.12.0-211.49.1.el10_2
kernel-debug-modulesol 100:6.12.0-211.49.1.el10_2
kernel-debug-modules-coreol 100:6.12.0-211.49.1.el10_2
kernel-debug-modules-extraol 100:6.12.0-211.49.1.el10_2
kernel-debug-uki-virtol 100:6.12.0-211.49.1.el10_2
kernel-develol 100:6.12.0-211.49.1.el10_2
kernel-devel-matchedol 100:6.12.0-211.49.1.el10_2
kernel-docol 100:6.12.0-211.49.1.el10_2
kernel-headersol 100:6.12.0-211.49.1.el10_2
kernel-modulesol 100:6.12.0-211.49.1.el10_2
kernel-modules-coreol 100:6.12.0-211.49.1.el10_2
kernel-modules-extraol 100:6.12.0-211.49.1.el10_2
kernel-modules-extra-matchedol 100:6.12.0-211.49.1.el10_2
kernel-toolsol 100:6.12.0-211.49.1.el10_2
kernel-tools-libsol 100:6.12.0-211.49.1.el10_2
kernel-tools-libs-develol 100:6.12.0-211.49.1.el10_2
kernel-uki-virtol 100:6.12.0-211.49.1.el10_2
kernel-uki-virt-addonsol 100:6.12.0-211.49.1.el10_2
libperfol 100:6.12.0-211.49.1.el10_2
perfol 100:6.12.0-211.49.1.el10_2
python3-perfol 100:6.12.0-211.49.1.el10_2
rtlaol 100:6.12.0-211.49.1.el10_2
rvol 100:6.12.0-211.49.1.el10_2

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Urgent CVE-2026-52991 sched/psi: fix race between file release and pressure write 9.8 0.0015 None reported
Urgent CVE-2026-53374 drm/amdgpu: zero-initialize GART table on allocation 9.8 0.0013 None reported
Urgent CVE-2026-64017 blk-mq: pop cached request if it is usable 9.8 0.0013 None reported
High CVE-2026-63888 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: n... 9.8 0.0078 None reported
High CVE-2026-63886 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s... 9.8 0.0071 None reported
High CVE-2026-43493 crypto: pcrypt - Fix handling of MAY_BACKLOG requests 9.8 0.0068 None reported
High CVE-2026-46185 smb/client: fix out-of-bounds read in symlink_data() 9.1 0.0053 None reported
High CVE-2026-68388 smb/client: handle overlapping allocated ranges in fallocate 9.8 0.0051 None reported
High CVE-2026-64560 linux: In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: Prevent UAF caused by non-lead... 7.8 0.0050 None reported
High CVE-2026-64386 smb: client: fix query_info() replay double-free 9.8 0.0046 None reported
High CVE-2026-64382 smb: client: fix double-free in SMB2_open() replay 8.8 0.0035 None reported
High CVE-2026-64379 smb: client: mask server-provided mode to 07777 in modefromsid 7.8 0.0031 None reported
High CVE-2026-45878 kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: n... 7.8 0.0021 None reported
High CVE-2026-45991 udf: fix partition descriptor append bookkeeping 7.8 0.0018 None reported
High CVE-2026-63884 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: m... 7.8 0.0018 None reported
High CVE-2026-64219 drm/amd/display: Validate payload length and link_index in dc_process_dmub_aux_transfer_async 7.8 0.0017 None reported
High CVE-2026-53143 drm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore on GFX11 7.8 0.0015 None reported
High CVE-2026-53329 drm/amd/display: Use krealloc_array() in dal_vector_reserve() 7.8 0.0015 None reported
High CVE-2026-63879 drm/amdgpu: fix amdgpu_hmm_range_get_pages 7.8 0.0014 None reported
High CVE-2026-43206 kernel-zfcpdump-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: m... 7.8 0.0014 None reported
High CVE-2026-53356 drm/i915/gem: Fix phys BO pread/pwrite with offset 7.8 0.0013 None reported
High CVE-2026-53136 bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: m... 7.8 0.0013 None reported
High CVE-2026-63952 kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: n... 8.4 0.0013 None reported
High CVE-2026-43237 drm/amdgpu: Refactor amdgpu_gem_va_ioctl for Handling Last Fence Update and Timeline Management v4 7.8 0.0012 None reported
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