CVE-2022-50072: NFSv4/pnfs: Fix a use-after-free bug in open
Vulnerability summary
CVE-2022-50072 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.7% 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 8 · Related 6Timeline
- 18-06-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: NFSv4/pnfs: Fix a use-after-free bug in open If someone cancels the open RPC call, then we must not try to free either the open slot or the layoutget operation arguments, since they are likely still in use by the hung RPC call.
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
0.20%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.19% 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.
Ubuntu107 products
- linux< 5.4.0-132.148 | < 5.15.0-53.59
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1089.97 | < 5.15.0-1023.27
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 6b3fc1496e7227cd6a39a80bbfb7588ef7c7a010, < 0fffb46ff3d5ed4668aca96441ec7a25b793bd6f | ≥ a2b3be930e79cc5d9d829f158e31172b2043f0cd, < f7ee3b772d9de87387a725caa04bc041ac7fe5ec | ≥ 0ee5b9644f06b4d3cdcd9544f43f63312e425a4c, < 76ffd2042438769298f34b76102b40dea89de616 | ≥ d4c2a041ed3ba114502d5ed6ace5b1a48d637a8e, < a4cf3dadd1fa43609f7c6570c9116b0e0a9923d1 | ≥ 6949493884fe88500de4af182588e071cf1544ee, < b03d1117e9be7c7da60e466eaf9beed85c5916c8 | ≥ 6949493884fe88500de4af182588e071cf1544ee, < 2135e5d56278ffdb1c2e6d325dc6b87f669b9dac | 08d7a26d115cc7892668baa9750f64bd8baca29b | ea759ae0a9ae5acee677d722129710ac89cc59c1 | ≥ 4.19.247, < 4.19.256 | ≥ 5.4.198, < 5.4.211 | ≥ 5.10.122, < 5.10.138 | ≥ 5.15.47, < 5.15.63 | ≥ 5.17.15, < 5.18 | ≥ 5.18.4, < 5.19 | 5.19
- linux_kernel≥ 4.19.247, < 4.19.256 | ≥ 5.4.198, < 5.4.211 | ≥ 5.10.122, < 5.10.138 | ≥ 5.15.47, < 5.15.63 | ≥ 5.17.15, < 5.18 | ≥ 5.18.4, < 5.19.4
Debian1 product
- linux< 6.0.2-1
3 vendors · 110 products