CVE-2024-42242

MEDIUM EPSS 8.0%
Published Aug 7, 20241y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Aug 7, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci: Fix max_seg_size for 64KiB PAGE_SIZE blk_queue_max_segment_size() ensured: if (max_size < PAGE_SIZE) max_size = PAGE_SIZE; whereas: blk_validate_limits() makes it an error: if (WARN_ON_ONCE(lim->max_segment_size < PAGE_SIZE)) return -EINVAL; The change from one to the other, exposed sdhci which was setting maximum segment size too low in some circumstances. Fix the maximum segment size when it is too low.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
8.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-770

Affected Products 1

VendorProductVersionRange
linuxlinux_kernel*≥6.9  –  <6.9.10

References 2

  • git.kernel.org https://git.kernel.org/stable/c/63d20a94f24fc1cbaf44d0e7c0e0a8077fde0aef
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bf78b1accef46efd9b624967cb74ae8d3c215a2b
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/63d20a94f24fc1cbaf44d0e7c0e0a8077fde0aef
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bf78b1accef46efd9b624967cb74ae8d3c215a2b
    Patch