UBUNTU-CVE-2020-12655
An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka CID-d0c7feaf8767.
02 / AFFECTED SOFTWARE
Affected packages
42 explicit affected versions
6 explicit affected versions
6 explicit affected versions
57 explicit affected versions
191 explicit affected versions
47 explicit affected versions
12 explicit affected versions
28 explicit affected versions
2 explicit affected versions
54 explicit affected versions
23 explicit affected versions
71 explicit affected versions
1 explicit affected versions
1 explicit affected versions
1 explicit affected versions
7 explicit affected versions
5 explicit affected versions
1 explicit affected versions
12 explicit affected versions
16 explicit affected versions
12 explicit affected versions
4 explicit affected versions
10 explicit affected versions
137 explicit affected versions
27 explicit affected versions
70 explicit affected versions
26 explicit affected versions
1 explicit affected versions
13 explicit affected versions
13 explicit affected versions
10 explicit affected versions
44 explicit affected versions
1 explicit affected versions
14 explicit affected versions
23 explicit affected versions
23 explicit affected versions
7 explicit affected versions
11 explicit affected versions
12 explicit affected versions
2 explicit affected versions
47 explicit affected versions
4 explicit affected versions
51 explicit affected versions
1 explicit affected versions
51 explicit affected versions
5 explicit affected versions
60 explicit affected versions
1 explicit affected versions
6 explicit affected versions
2 explicit affected versions
1 explicit affected versions
2 explicit affected versions
1 explicit affected versions
5 explicit affected versions
2 explicit affected versions
29 explicit affected versions
44 explicit affected versions
15 explicit affected versions
26 explicit affected versions
10 explicit affected versions
38 explicit affected versions
9 explicit affected versions
114 explicit affected versions
2 explicit affected versions
73 explicit affected versions
49 explicit affected versions
37 explicit affected versions
2 explicit affected versions
32 explicit affected versions
1 explicit affected versions
92 explicit affected versions
12 explicit affected versions
6 explicit affected versions
4 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka CID-d0c7feaf8767.
05 / REFERENCES
Further evidence
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7feaf87678371c2c09b3709400be416b2dc62
- https://git.kernel.org/linus/d0c7feaf87678371c2c09b3709400be416b2dc62
- https://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62
- https://lore.kernel.org/linux-xfs/20200221153803.GP9506@magnolia/
- https://ubuntu.com/security/CVE-2020-12655
- https://ubuntu.com/security/notices/USN-4465-1
- https://ubuntu.com/security/notices/USN-4483-1
- https://ubuntu.com/security/notices/USN-4485-1
- https://ubuntu.com/security/notices/USN-5343-1
- https://www.cve.org/CVERecord?id=CVE-2020-12655