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CVE-2024-57893

19
FAUCET Score

CVE-2024-57893 is a medium-severity race condition vulnerability (CWE-362) affecting the Linux kernel's ALSA sequencer OSS layer. This flaw occurs when processing System Exclusive (SysEx) messages, where concurrent access to an internal buffer can lead to out-of-bounds memory access. The vulnerability has a CVSS score of 6.3, indicating a local attack vector with high attack complexity, requiring low privileges, and potentially leading to high confidentiality and availability impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.1.124CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.6.70CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.7, < 6.12.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
6.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*
6.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.16%
Probability of exploitation in next 30 days
EPSS Percentile
5.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0016 is in the 32nd percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (2)

redhatCVE-2024-57893Moderate

kernel: ALSA: seq: oss: Fix races at processing SysEx messages

Jan 15, 2025
microsoft2025-Jan/CVE-2024-57893Moderate

ALSA: seq: oss: Fix races at processing SysEx messages

Jan 14, 2025

References

git.kernel.org / stable/c/0179488ca992d79908b8e26b9213f1554fc5bacc
Patch
git.kernel.org / stable/c/9d382112b36382aa65aad765f189ebde9926c101
Patch
git.kernel.org / stable/c/cff1de87ed14fc0f2332213d2367100e7ad0753a
Patch
git.kernel.org / stable/c/d2392b79d8af3714ea8878b71c66dc49d3110f44
Patch
lists.debian.org / debian-lts-announce/2025/03/msg00001.html