What’s Vulnerable › Vulnerabilities

CVE-2022-48741: ovl: fix NULL pointer dereference in copy up warning

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-20 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• Linux kernel: before 5.15.20; from 5.16 before 5.16.6 — fixed in 5.15.20, 5.16.6

How to fix

Upgrade to a fixed version: Linux kernel 5.15.20, 5.16.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4ee7e4a6c9b298da44029ed9ec8ed23ae49cc209
• https://git.kernel.org/stable/c/9c7f8a35c5a83740c0e3ea540b6ad145c50d79aa
• https://git.kernel.org/stable/c/e6b678c1a3673de6a5d2f4e22bb725a086a0701a
• https://git.kernel.org/stable/c/4ee7e4a6c9b298da44029ed9ec8ed23ae49cc209
• https://git.kernel.org/stable/c/9c7f8a35c5a83740c0e3ea540b6ad145c50d79aa
• https://git.kernel.org/stable/c/e6b678c1a3673de6a5d2f4e22bb725a086a0701a

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