UBUNTU-CVE-2023-2430
A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
8 explicit affected versions
7 explicit affected versions
26 explicit affected versions
37 explicit affected versions
13 explicit affected versions
37 explicit affected versions
7 explicit affected versions
4 explicit affected versions
7 explicit affected versions
23 explicit affected versions
7 explicit affected versions
33 explicit affected versions
16 explicit affected versions
12 explicit affected versions
6 explicit affected versions
38 explicit affected versions
13 explicit affected versions
10 explicit affected versions
13 explicit affected versions
4 explicit affected versions
10 explicit affected versions
10 explicit affected versions
21 explicit affected versions
6 explicit affected versions
13 explicit affected versions
6 explicit affected versions
12 explicit affected versions
23 explicit affected versions
5 explicit affected versions
12 explicit affected versions
44 explicit affected versions
4 explicit affected versions
9 explicit affected versions
12 explicit affected versions
13 explicit affected versions
6 explicit affected versions
7 explicit affected versions
8 explicit affected versions
3 explicit affected versions
16 explicit affected versions
43 explicit affected versions
13 explicit affected versions
9 explicit affected versions
35 explicit affected versions
12 explicit affected versions
9 explicit affected versions
12 explicit affected versions
50 explicit affected versions
12 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A vulnerability was found due to missing lock for IOPOLL flaw in io_cqring_event_overflow() in io_uring.c in Linux Kernel. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/e12d7a46f65ae4b7d58a5e0c1cbfa825cf8d830d
- https://groups.google.com/g/syzkaller/c/T04q4HMUCdA/m/qVaOqv2RAAAJ?pli=1
- https://lore.kernel.org/io-uring/Y8krlYa52%[email protected]/
- https://ubuntu.com/security/CVE-2023-2430
- https://ubuntu.com/security/notices/USN-6192-1
- https://ubuntu.com/security/notices/USN-6194-1
- https://ubuntu.com/security/notices/USN-6235-1
- https://www.cve.org/CVERecord?id=CVE-2023-2430