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THREAT OPSThreat News › [NVD] CVE-2023-4622 (HIGH 7.8) — A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation. The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where uni

[NVD] CVE-2023-4622 (HIGH 7.8) — A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation. The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where uni

lownvdPublished 2023-09-06

CVE-2023-4622 CVSS: 7.8 HIGH Published: 2023-09-06T14:15:12.193

A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation.

The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2023-4622