CVE-2022-49541: cifs: fix potential double free during failed mount
Vulnerability summary
CVE-2022-49541 is a high (CVSS 7.8) Double Free vulnerability in linux. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 22.6% 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 11 · Related 6Timeline
- 26-02-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential double free during failed mount RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=2088799
CVSS metrics
5 scores · 5 sources · 1 version- OSV · Red hatEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- 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 catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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.
Ubuntu94 products
- linux< 5.15.0-47.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1019.23
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Redhat12 products
- kpatch-patch-5_14_0-70_112_1< 0:1-5.el9_0
- kpatch-patch-5_14_0-70_112_1-debuginfo< 0:1-5.el9_0
- kpatch-patch-5_14_0-70_112_1-debugsource< 0:1-5.el9_0
- kpatch-patch-5_14_0-70_121_1< 0:1-4.el9_0
- kpatch-patch-5_14_0-70_121_1-debuginfo< 0:1-4.el9_0
Linux2 products
- linux≥ d17abdf7566566fc402c31899b353044a7ff3cf4, < ce0008a0e410cdd95f0d8cd81b2902ec10a660c4 | ≥ d17abdf7566566fc402c31899b353044a7ff3cf4, < 9a167fc440e5693c1cdd7f07071e05658bd9d89d | ≥ d17abdf7566566fc402c31899b353044a7ff3cf4, < ee71f8f1cd3c8c4a251fd3e8abc89215ae3457cb | ≥ d17abdf7566566fc402c31899b353044a7ff3cf4, < 8378a51e3f8140f60901fb27208cc7a6e47047b5 | 5.11
- linux_kernel< 5.15.46 | ≥ 5.16, < 5.17.14 | ≥ 5.18, < 5.18.3
Debian1 product
- linux< 5.18.5-1
4 vendors · 109 products