UBUNTU-CVE-2018-16862
A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one.
02 / AFFECTED SOFTWARE
Affected packages
56 explicit affected versions
23 explicit affected versions
6 explicit affected versions
29 explicit affected versions
10 explicit affected versions
1 explicit affected versions
33 explicit affected versions
1 explicit affected versions
1 explicit affected versions
12 explicit affected versions
1 explicit affected versions
24 explicit affected versions
10 explicit affected versions
9 explicit affected versions
27 explicit affected versions
1 explicit affected versions
6 explicit affected versions
23 explicit affected versions
64 explicit affected versions
11 explicit affected versions
58 explicit affected versions
29 explicit affected versions
24 explicit affected versions
34 explicit affected versions
86 explicit affected versions
51 explicit affected versions
41 explicit affected versions
1 explicit affected versions
1 explicit affected versions
45 explicit affected versions
12 explicit affected versions
30 explicit affected versions
26 explicit affected versions
26 explicit affected versions
54 explicit affected versions
3 explicit affected versions
21 explicit affected versions
11 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one.
05 / REFERENCES
Further evidence
- https://lore.kernel.org/patchwork/patch/1011367/
- https://ubuntu.com/security/CVE-2018-16862
- https://ubuntu.com/security/notices/USN-3879-1
- https://ubuntu.com/security/notices/USN-3879-2
- https://ubuntu.com/security/notices/USN-4094-1
- https://ubuntu.com/security/notices/USN-4118-1
- https://www.cve.org/CVERecord?id=CVE-2018-16862