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5.5
CVE-2022-48741: ovl: fix NULL pointer dereference in copy up warning
CVE-2022-48741 · published 2 years ago
Summary
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.
What to do
- Update debian linux to version 5.16.7-1.
- Update linux kernel to version 5.16.6.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| – | linux | linux_kernel |
< 5.15.20 >= 5.16, < 5.16.6 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| Debian:12 | debian | linux |
< 5.16.7-1 Fix: upgrade to 5.16.7-1
|
| Linux | linux | kernel |
>= 5.16.0, < 5.16.6 Fix: upgrade to 5.16.6
|
Original advisory text
ovl: fix NULL pointer dereference in copy up warning
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.
References
- https://security-tracker.debian.org/tracker/CVE-2022-48741 Vendor Advisory
- https://git.kernel.org/stable/c/4ee7e4a6c9b298da44029ed9ec8ed23ae49cc209 URL
- https://git.kernel.org/stable/c/9c7f8a35c5a83740c0e3ea540b6ad145c50d79aa URL
- https://git.kernel.org/stable/c/e6b678c1a3673de6a5d2f4e22bb725a086a0701a URL
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48741... Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-48741 Vendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Product
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-476NULL Pointer Dereference
Timeline
Published20 Jun 2024
Updated4 Nov 2026
First seen29 Sep 2026
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