UBUNTU-CVE-2024-27069
In the Linux kernel, the following vulnerability has been resolved: ovl: relax WARN_ON in ovl_verify_area() syzbot hit an assertion in copy up data loop which looks like it is the result of a lower file whose size is being changed underneath overlayfs. This type of use case is documented to cause undefined behavior, so returning EIO error for the copy up makes sense, but it should not be causing a WARN_ON assertion.
02 / AFFECTED SOFTWARE
Affected packages
6 explicit affected versions
29 explicit affected versions
3 explicit affected versions
1 explicit affected versions
2 explicit affected versions
7 explicit affected versions
26 explicit affected versions
37 explicit affected versions
7 explicit affected versions
10 explicit affected versions
10 explicit affected versions
13 explicit affected versions
13 explicit affected versions
5 explicit affected versions
37 explicit affected versions
8 explicit affected versions
4 explicit affected versions
8 explicit affected versions
23 explicit affected versions
7 explicit affected versions
10 explicit affected versions
33 explicit affected versions
16 explicit affected versions
12 explicit affected versions
6 explicit affected versions
38 explicit affected versions
51 explicit affected versions
13 explicit affected versions
10 explicit affected versions
5 explicit affected versions
10 explicit affected versions
13 explicit affected versions
6 explicit affected versions
1 explicit affected versions
10 explicit affected versions
8 explicit affected versions
21 explicit affected versions
6 explicit affected versions
13 explicit affected versions
12 explicit affected versions
7 explicit affected versions
3 explicit affected versions
12 explicit affected versions
26 explicit affected versions
23 explicit affected versions
5 explicit affected versions
3 explicit affected versions
26 explicit affected versions
12 explicit affected versions
44 explicit affected versions
6 explicit affected versions
4 explicit affected versions
4 explicit affected versions
16 explicit affected versions
9 explicit affected versions
12 explicit affected versions
4 explicit affected versions
13 explicit affected versions
5 explicit affected versions
7 explicit affected versions
7 explicit affected versions
10 explicit affected versions
14 explicit affected versions
18 explicit affected versions
3 explicit affected versions
16 explicit affected versions
1 explicit affected versions
43 explicit affected versions
11 explicit affected versions
35 explicit affected versions
12 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
12 explicit affected versions
27 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: ovl: relax WARN_ON in ovl_verify_area() syzbot hit an assertion in copy up data loop which looks like it is the result of a lower file whose size is being changed underneath overlayfs. This type of use case is documented to cause undefined behavior, so returning EIO error for the copy up makes sense, but it should not be causing a WARN_ON assertion.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/77a28aa476873048024ad56daf8f4f17d58ee48e
- https://git.kernel.org/stable/c/77a28aa476873048024ad56daf8f4f17d58ee48e
- https://git.kernel.org/stable/c/c3c85aefc0da1e5074a06c682542a54ccc99bdca
- https://ubuntu.com/security/CVE-2024-27069
- https://ubuntu.com/security/notices/USN-6816-1
- https://ubuntu.com/security/notices/USN-6817-1
- https://ubuntu.com/security/notices/USN-6817-2
- https://ubuntu.com/security/notices/USN-6817-3
- https://ubuntu.com/security/notices/USN-6878-1
- https://www.cve.org/CVERecord?id=CVE-2024-27069