CVE-2022-2959: linux linux_kernel Improper Locking
Vulnerability summary
CVE-2022-2959 is a high (CVSS 7.0) Improper Locking vulnerability in linux linux_kernel. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 32.1% of scored vulnerabilities.
Not severe (CVSS 7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 15 · Related 9Timeline
- 25-08-2022PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
A race condition was found in the Linux kernel's watch queue due to a missing lock in pipe_resize_ring(). The specific flaw exists within the handling of pipe buffers. The issue results from the lack of proper locking when performing operations on an object. This flaw allows a local user to crash the system or escalate their privileges on the system.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.38% 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 cause- CWE-667Improper LockingThe product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
- CWE-362Concurrent Execution using Shared Resource with Improper SynchronizationThe product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu64 products
- linux< 5.15.0-47.51
- linux-aws< 5.15.0-1019.23
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
Debian1 product
- linux< 5.18.2-1
Linux1 product
- linux_kernel≥ 5.8, < 5.10.120 | ≥ 5.11, < 5.15.45 | ≥ 5.16, < 5.17.13 | ≥ 5.18, < 5.18.2
3 vendors · 66 products
References
15 links- security.netapp.com/advisory/ntap-20230214-0005/Third Party Advisory