vulnerability
Ubuntu: (CVE-2021-4460): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Oct 1, 2025 | Oct 10, 2025 | Oct 24, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Oct 1, 2025
Added
Oct 10, 2025
Modified
Oct 24, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix UBSAN shift-out-of-bounds warning If get_num_sdma_queues or get_num_xgmi_sdma_queues is 0, we end up doing a shift operation where the number of bits shifted equals number of bits in the operand. This behaviour is undefined. Set num_sdma_queues or num_xgmi_sdma_queues to ULLONG_MAX, if the count is >= number of bits in the operand. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1472
Solutions
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-5-4ubuntu-upgrade-linux-aws-fipsubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-4ubuntu-upgrade-linux-azure-fipsubuntu-upgrade-linux-bluefieldubuntu-upgrade-linux-fipsubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-5-4ubuntu-upgrade-linux-gcp-fipsubuntu-upgrade-linux-hwe-5-4ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-oracleubuntu-upgrade-linux-oracle-5-4ubuntu-upgrade-linux-raspiubuntu-upgrade-linux-raspi-5-4
References
- CVE-2021-4460
- https://attackerkb.com/topics/CVE-2021-4460
- URL-https://git.kernel.org/linus/50e2fc36e72d4ad672032ebf646cecb48656efe0
- URL-https://git.kernel.org/stable/c/0c0356ef2498c1a250fe3846f30293f828737309
- URL-https://git.kernel.org/stable/c/1874b0ef1426b873de94c61861e38f29a8df714c
- URL-https://git.kernel.org/stable/c/3fdc5182700910a685d23df57d65166e8556a266
- URL-https://git.kernel.org/stable/c/50e2fc36e72d4ad672032ebf646cecb48656efe0
- URL-https://git.kernel.org/stable/c/9069b1b542de8f3bbffef868aff41521b21485cf
- URL-https://www.cve.org/CVERecord?id=CVE-2021-4460
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