CVE-2026-23211

CWE-2807 documents7 sources
Severity
5.5MEDIUM
EPSS
0.0%
top 96.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 18

Description

In the Linux kernel, the following vulnerability has been resolved: mm, swap: restore swap_space attr aviod kernel panic commit 8b47299a411a ("mm, swap: mark swap address space ro and add context debug check") made the swap address space read-only. It may lead to kernel panic if arch_prepare_to_swap returns a failure under heavy memory pressure as follows, el1_abort+0x40/0x64 el1h_64_sync_handler+0x48/0xcc el1h_64_sync+0x84/0x88 errseq_set+0x4c/0xb8 (P) __filemap_set_wb_err+0x20/0xd0 shrink_f

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

NVDlinux/linux_kernel6.186.18.9+1
CVEListV5linux/linux8b47299a411a178d572aaac31ff7ab33a8bd27e2b0020cbd26380177b9fb8b7e75a8f7bdba79db20+2
Debianlinux< 6.18.9-1

Patches

🔴Vulnerability Details

3
OSV
CVE-2026-23211: In the Linux kernel, the following vulnerability has been resolved: mm, swap: restore swap_space attr aviod kernel panic commit 8b47299a411a ("mm, swa2026-02-18
CVEList
mm, swap: restore swap_space attr aviod kernel panic2026-02-18
GHSA
GHSA-m8v3-m8mg-rrc7: In the Linux kernel, the following vulnerability has been resolved: mm, swap: restore swap_space attr aviod kernel panic commit 8b47299a411a ("mm, s2026-02-18

📋Vendor Advisories

2
Red Hat
kernel: mm, swap: restore swap_space attr aviod kernel panic2026-02-18
Debian
CVE-2026-23211: linux - In the Linux kernel, the following vulnerability has been resolved: mm, swap: r...2026

🕵️Threat Intelligence

1
Wiz
CVE-2026-23211 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2026-23211 (MEDIUM CVSS 5.5) | In the Linux kernel | cvebase.io