UBUNTU-CVE-2023-0468
A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.
02 / AFFECTED SOFTWARE
Affected packages
25 explicit affected versions
6 explicit affected versions
11 explicit affected versions
29 explicit affected versions
1 explicit affected versions
21 explicit affected versions
22 explicit affected versions
7 explicit affected versions
26 explicit affected versions
12 explicit affected versions
11 explicit affected versions
37 explicit affected versions
22 explicit affected versions
4 explicit affected versions
13 explicit affected versions
11 explicit affected versions
7 explicit affected versions
22 explicit affected versions
8 explicit affected versions
37 explicit affected versions
19 explicit affected versions
4 explicit affected versions
23 explicit affected versions
7 explicit affected versions
33 explicit affected versions
16 explicit affected versions
11 explicit affected versions
12 explicit affected versions
38 explicit affected versions
13 explicit affected versions
10 explicit affected versions
13 explicit affected versions
21 explicit affected versions
10 explicit affected versions
1 explicit affected versions
10 explicit affected versions
3 explicit affected versions
21 explicit affected versions
8 explicit affected versions
6 explicit affected versions
13 explicit affected versions
1 explicit affected versions
12 explicit affected versions
17 explicit affected versions
19 explicit affected versions
1 explicit affected versions
17 explicit affected versions
9 explicit affected versions
23 explicit affected versions
5 explicit affected versions
6 explicit affected versions
10 explicit affected versions
12 explicit affected versions
44 explicit affected versions
4 explicit affected versions
4 explicit affected versions
9 explicit affected versions
12 explicit affected versions
3 explicit affected versions
13 explicit affected versions
12 explicit affected versions
7 explicit affected versions
14 explicit affected versions
16 explicit affected versions
16 explicit affected versions
43 explicit affected versions
12 explicit affected versions
12 explicit affected versions
20 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
12 explicit affected versions
12 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/12ad3d2d6c5b0131a6052de91360849e3e154846
- https://git.kernel.org/linus/a26a35e9019fd70bf3cf647dcfdae87abc7bacea
- https://ubuntu.com/security/CVE-2023-0468
- https://ubuntu.com/security/notices/USN-5912-1
- https://ubuntu.com/security/notices/USN-5935-1
- https://ubuntu.com/security/notices/USN-5938-1
- https://ubuntu.com/security/notices/USN-5941-1
- https://ubuntu.com/security/notices/USN-5962-1
- https://ubuntu.com/security/notices/USN-6024-1
- https://ubuntu.com/security/notices/USN-6071-1
- https://ubuntu.com/security/notices/USN-6072-1
- https://www.cve.org/CVERecord?id=CVE-2023-0468