vulnerability
Ubuntu: (CVE-2021-47645): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Feb 26, 2025 | Mar 19, 2025 | Jun 12, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Feb 26, 2025
Added
Mar 19, 2025
Modified
Jun 12, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com
On the case tmp_dcim=1, the index of buffer is miscalculated.
This generate a NULL pointer dereference later.
So let's fix the calcul and add a check to prevent this to reappear.
Solution(s)
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-15ubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gkeubuntu-upgrade-linux-hwe-5-15ubuntu-upgrade-linux-ibmubuntu-upgrade-linux-intel-iotgubuntu-upgrade-linux-intel-iotg-5-15ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-lowlatencyubuntu-upgrade-linux-lowlatency-hwe-5-15ubuntu-upgrade-linux-oracleubuntu-upgrade-linux-raspiubuntu-upgrade-linux-realtime
References
- CVE-2021-47645
- https://attackerkb.com/topics/CVE-2021-47645
- URL-https://git.kernel.org/linus/e3b86f4e558cea9eed71d894df2f19b10d60a207
- URL-https://git.kernel.org/stable/c/20811bbe685ca3eddd34b0c750860427d7030910
- URL-https://git.kernel.org/stable/c/20db2ed1e2f9fcd417fa67853e5154f0c2537d6c
- URL-https://git.kernel.org/stable/c/7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52
- URL-https://git.kernel.org/stable/c/bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e
- URL-https://git.kernel.org/stable/c/e3b86f4e558cea9eed71d894df2f19b10d60a207
- URL-https://www.cve.org/CVERecord?id=CVE-2021-47645
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