5.5

CVE-2022-49316: NFSv4: Don't hold the layoutget locks across multiple RPC calls

Modified
AliasesUBUNTU-CVE-2022-49316DEBIAN-CVE-2022-49316
Published 26-02-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49316 is a medium (CVSS 5.5) Improper Locking vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 6
RHSA-2023:6583RHSA-2024:7000SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1SUSE-SU-2025:1194-1

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Don't hold the layoutget locks across multiple RPC calls When doing layoutget as part of the open() compound, we have to be careful to release the layout locks before we can call any further RPC calls, such as setattr(). The reason is that those calls could trigger a recall, which could deadlock.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.21% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu112 products
  • linuxAll versions (No fix recorded) | < 5.4.0-126.142 | < 5.15.0-48.54
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1085.92 | < 5.15.0-1020.24
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 56f487f8c8fc5d6e582b79a86fc132d050129e15, < 6b3fc1496e7227cd6a39a80bbfb7588ef7c7a010 | ≥ 56f487f8c8fc5d6e582b79a86fc132d050129e15, < a2b3be930e79cc5d9d829f158e31172b2043f0cd | ≥ 56f487f8c8fc5d6e582b79a86fc132d050129e15, < 0ee5b9644f06b4d3cdcd9544f43f63312e425a4c | ≥ 56f487f8c8fc5d6e582b79a86fc132d050129e15, < d4c2a041ed3ba114502d5ed6ace5b1a48d637a8e | ≥ 56f487f8c8fc5d6e582b79a86fc132d050129e15, < 08d7a26d115cc7892668baa9750f64bd8baca29b | ≥ 56f487f8c8fc5d6e582b79a86fc132d050129e15, < ea759ae0a9ae5acee677d722129710ac89cc59c1 | ≥ 56f487f8c8fc5d6e582b79a86fc132d050129e15, < 6949493884fe88500de4af182588e071cf1544ee | 4.18
  • linux_kernel< 4.19.247 | ≥ 4.20, < 5.4.198 | ≥ 5.5, < 5.10.122 | ≥ 5.11, < 5.15.47 | ≥ 5.16, < 5.17.15 | ≥ 5.18, < 5.18.4
Debian1 product
  • linux< 5.18.5-1

3 vendors · 115 products

References

11 links
Show all 11 references