CVE-2022-50843: linux

CVSS: UnknownDeferred
AliasesUBUNTU-CVE-2022-50843DEBIAN-CVE-2022-50843
Published 30-12-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50843 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.7% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 6

Timeline

  1. 30-12-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: dm clone: Fix UAF in clone_dtr() Dm_clone also has the same UAF problem when dm_resume() and dm_destroy() are concurrent. Therefore, cancelling timer again in clone_dtr().

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu117 products
  • linux< 5.4.0-144.161 | < 5.15.0-69.76
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1097.105 | < 5.15.0-1033.37
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.4-1
Linux1 product
  • linux≥ 7431b7835f554f8608b415a02cf3c3f086309e02, < 520b56cfd9faee7683f081c3a38f11a81b13a68e | ≥ 7431b7835f554f8608b415a02cf3c3f086309e02, < 342cfd8426dff4228e6c714bcb9fc8295a2748dd | ≥ 7431b7835f554f8608b415a02cf3c3f086309e02, < 856edd0e92f3fe89606b704c86a93daedddfe6ec | ≥ 7431b7835f554f8608b415a02cf3c3f086309e02, < b1ddb666073bb5f36390aaabaa1a4d48d78c52ed | ≥ 7431b7835f554f8608b415a02cf3c3f086309e02, < 9e113cd4f61f3b0000843b2d0a90ce8b40a1fcff | ≥ 7431b7835f554f8608b415a02cf3c3f086309e02, < e4b5957c6f749a501c464f92792f1c8e26b61a94 | 5.4

3 vendors · 119 products

References

10 links