ovl: fix NULL pointer dereference in copy up warning

Description

In the Linux kernel, the following vulnerability has been resolved: ovl: fix NULL pointer dereference in copy up warning This patch is fixing a NULL pointer dereference to get a recently introduced warning message working.

Scores

EPSS (exploitation in 30 days)

0.22% · top 87% of all CVEs (5 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

• CWE-476 (opens in a new tab)All about CWE-476 and its CVEs

Affected products

• Linux · Linux

  • affected 5cffa333a2b263821561328cc75a3ffc8097d093 – < e6b678c1a3673de6a5d2f4e22bb725a086a0701a
  • affected 5b0a414d06c3ed2097e32ef7944a4abb644b89bd – < 9c7f8a35c5a83740c0e3ea540b6ad145c50d79aa
  • affected 5b0a414d06c3ed2097e32ef7944a4abb644b89bd – < 4ee7e4a6c9b298da44029ed9ec8ed23ae49cc209
  • affected 5.15.3 – < 5.15.20

• Linux · Linux

  • affected 5.16
  • unaffected < 5.16
  • unaffected 5.15.20 – ≤ 5.15.*
  • unaffected 5.16.6 – ≤ 5.16.*
  • unaffected 5.17 – ≤ *

References (3)

• https://git.kernel.org/stable/c/e6b678c1a3673de6a5d2f4e22bb725a086a0701a (opens in a new tab)x_transferred
• https://git.kernel.org/stable/c/9c7f8a35c5a83740c0e3ea540b6ad145c50d79aa (opens in a new tab)x_transferred
• https://git.kernel.org/stable/c/4ee7e4a6c9b298da44029ed9ec8ed23ae49cc209 (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2022-48741](https://trackcve.app/badge/CVE-2022-48741.svg)](https://trackcve.app/cve/CVE-2022-48741)

Record last updated 23 May 2026, 15:20 UTC.