USN-6648-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the AppleTalk networking
subsystem of 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 execute arbitrary code. (CVE-2023-51781)

Zhenghan Wang discovered that the generic ID allocator implementation in
the Linux kernel did not properly check for null bitmap when releasing IDs.
A local attacker could use this to cause a denial of service (system
crash). (CVE-2023-6915) …

arbitrary code attacker code crash cve denial of service free implementation kernel linux linux kernel linux kernel vulnerabilities local networking race race condition service subsystem system use-after-free usn vulnerabilities vulnerability wang