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CVE-2024-41149

block: avoid to reuse `hctx` not removed from cpuhp callback list

HIGH
7.8
CVSS Score
Published: January 11, 2025 at 12:35 PM UTC
Updated: June 17, 2026 at 07:47 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: block: avoid to reuse `hctx` not removed from cpuhp callback list If the 'hctx' isn't removed from cpuhp callback list, we can't reuse it, otherwise use-after-free may be triggered.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.12.6 ≤ v < 6.12.722465bbac53c821319089016f268a2437de9b00a58bf93580fec30d84a46be41171c5fad98b5cc706.12.66.13 rc26.13 rc3c1291ea131d186296dc8d328a36c3caf38e8e159
Vendor states this is fixed in 85672ca9ceeaa1dcf2777a7048af5f4aee3fd02b (fixed)
Vendor states this is fixed in b5792c162dcf6197bf3d2de2be6c8169435b73d0 (fixed)
Vendor states this is fixed in ee18012c80155f6809522804099621070c69ec72 (fixed)
Affected range stops below 6.12.7, so it looks safe — our inference, not a vendor statement

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/85672ca9ceeaa1dcf2777a7048af5f4aee3fd02b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b5792c162dcf6197bf3d2de2be6c8169435b73d0
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ee18012c80155f6809522804099621070c69ec72

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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