UBUNTU-CVE-2023-0266
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
02 / AFFECTED SOFTWARE
Affected packages
64 explicit affected versions
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/56b88b50565cd8b946a2d00b0c83927b7ebb055e
- https://ubuntu.com/security/CVE-2023-0266
- https://ubuntu.com/security/notices/USN-5915-1
- https://ubuntu.com/security/notices/USN-5917-1
- https://ubuntu.com/security/notices/USN-5924-1
- https://ubuntu.com/security/notices/USN-5927-1
- https://ubuntu.com/security/notices/USN-5934-1
- https://ubuntu.com/security/notices/USN-5939-1
- https://ubuntu.com/security/notices/USN-5940-1
- https://ubuntu.com/security/notices/USN-5951-1
- https://ubuntu.com/security/notices/USN-5970-1
- https://ubuntu.com/security/notices/USN-5975-1
- https://ubuntu.com/security/notices/USN-5979-1
- https://ubuntu.com/security/notices/USN-5981-1
- https://ubuntu.com/security/notices/USN-5982-1
- https://ubuntu.com/security/notices/USN-5984-1
- https://ubuntu.com/security/notices/USN-5987-1
- https://ubuntu.com/security/notices/USN-5991-1
- https://ubuntu.com/security/notices/USN-6000-1
- https://ubuntu.com/security/notices/USN-6004-1
- https://ubuntu.com/security/notices/USN-6009-1
- https://ubuntu.com/security/notices/USN-6030-1
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- https://www.cve.org/CVERecord?id=CVE-2023-0266