Nov. 1, 2023, 9:27 p.m. |

Ubuntu security notices ubuntu.com

Kyle Zeng discovered that the netfilter subsystem in the Linux kernel
contained a race condition in IP set operations in certain situations. A
local attacker could use this to cause a denial of service (system crash).
(CVE-2023-42756)

Alex Birnberg discovered that the netfilter subsystem in the Linux kernel
did not properly validate register length, leading to an out-of- bounds
write vulnerability. A local attacker could possibly use this to cause a
denial of service (system crash). (CVE-2023-4881)

It was discovered …

alex attacker crash cve denial of service kernel length linux linux kernel local netfilter operations race race condition register service subsystem system usn vulnerabilities

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