A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e
References
Link | Resource |
---|---|
https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1 | Patch Third Party Advisory |
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4 | Mailing List Patch Vendor Advisory |
https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e | Patch Third Party Advisory |
Configurations
Configuration 1 (hide)
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Information
Published : 2023-01-30 06:15
Updated : 2023-02-06 13:47
NVD link : CVE-2023-0266
Mitre link : CVE-2023-0266
JSON object : View
CWE
CWE-416
Use After Free
Products Affected
linux
- linux_kernel