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USN-6254-1: Linux kernel vulnerabilities
July 26, 2023, 3:54 p.m. |
Ubuntu security notices ubuntu.com
do_prlimit() function in the Linux kernel did not properly handle
speculative execution barriers. A local attacker could use this to expose
sensitive information (kernel memory). (CVE-2023-0458)
It was discovered that a race condition existed in the btrfs file system
implementation in the Linux kernel, leading to a use-after-free
vulnerability. A local attacker could use this to cause a denial of service
(system crash) or possibly expose sensitive information. (CVE-2023-1611)
It …
cve file file system function implementation information kernel linux linux kernel local memory race race condition sensitive information speculative execution syscalls system usn vulnerabilities
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