CVE-2023-0266

תיאור (מקור, אנגלית)

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

מדדים

CVSS 3.1

7.0 (HIGH) מקור הציון: NVD CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — סבירות ניצול

4% (אחוזון 100) נכון ל-25/7/2026

CWE

CWE-416

מוצרים מושפעים

debian: debian linux; linux: linux kernel

קישורים

• https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/q‮… Mailing ListPatchVendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/q‮… Mailing ListPatchVendor Advisory
• https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb0‮… Patch
• https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a0‮… Patch
• https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb0‮… Patch
• https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a0‮… Patch
• https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html Mailing ListThird Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html Mailing ListThird Party Advisory
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-202‮… US Government Resource