CVE-2022-50643: cifs: Fix xid leak in cifs_copy_file_range()

Deferred
AliasesUBUNTU-CVE-2022-50643DEBIAN-CVE-2022-50643
Published 09-12-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50643 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.8% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.20%
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 6 · Related 5

Timeline

  1. 09-12-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_copy_file_range() If the file is used by swap, before return -EOPNOTSUPP, should free the xid, otherwise, the xid will be leaked.

CVSS metrics

Risk metrics not yet published.

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 0.20% 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

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu103 products
  • linux< 5.15.0-60.66
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1030.34
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.0.6-1
Linux1 product
  • linux≥ 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3, < bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2 | ≥ 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3, < 27cfd3afaab000a455194338db3b7f2031fde9d0 | ≥ 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3, < dc283313d1ca378d787cb55c1e580dc3de852680 | ≥ 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3, < 9a97df404a402fe1174d2d1119f87ff2a0ca2fe9 | 5.7

3 vendors · 105 products

References

8 links