CVE-2024-46713: perf/aux: Fix AUX buffer serialization
Vulnerability summary
CVE-2024-46713 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 23% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 28 · Related 22Timeline
- 13-09-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix AUX buffer serialization Ole reported that event->mmap_mutex is strictly insufficient to serialize the AUX buffer, add a per RB mutex to fully serialize it. Note that in the lock order comment the perf_event::mmap_mutex order was already wrong, that is, it nesting under mmap_lock is not new with this patch.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
23%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.30% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu129 products
- linuxAll versions (No fix recorded) | < 5.15.0-125.135 | < 6.8.0-50.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1072.78 | < 6.8.0-1020.22
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 45bfb2e50471abbbfd83d40d28c986078b0d24ff, < 7882923f1cb88dc1a17f2bf0c81b1fc80d44db82 | ≥ 45bfb2e50471abbbfd83d40d28c986078b0d24ff, < 52d13d224fdf1299c8b642807fa1ea14d693f5ff | ≥ 45bfb2e50471abbbfd83d40d28c986078b0d24ff, < 9dc7ad2b67772cfb94ceb3b0c9c4023c2463215d | ≥ 45bfb2e50471abbbfd83d40d28c986078b0d24ff, < c4b69bee3f4ef76809288fe6827bc14d4ae788ef | ≥ 45bfb2e50471abbbfd83d40d28c986078b0d24ff, < b9b6882e243b653d379abbeaa64a500182aba370 | ≥ 45bfb2e50471abbbfd83d40d28c986078b0d24ff, < 2ab9d830262c132ab5db2f571003d80850d56b2a | 4.1
- linux_kernel≥ 4.1, < 5.10.226 | ≥ 5.11, < 5.15.167 | ≥ 5.16, < 6.1.110 | ≥ 6.2, < 6.6.51 | ≥ 6.7, < 6.10.10 | 6.11:rc1 | 6.11:rc2 | 6.11:rc3 | 6.11:rc4 | 6.11:rc5 | 6.11:rc6
Debian1 product
- linux< 6.1.112-1 | < 6.10.11-1
3 vendors · 132 products
