UBUNTU-CVE-2017-10663
The sanity_check_ckpt function in fs/f2fs/super.c in the Linux kernel before 4.12.4 does not validate the blkoff and segno arrays, which allows local users to gain privileges via unspecified vectors.
02 / AFFECTED SOFTWARE
Affected packages
122 explicit affected versions
38 explicit affected versions
60 explicit affected versions
18 explicit affected versions
6 explicit affected versions
3 explicit affected versions
16 explicit affected versions
26 explicit affected versions
36 explicit affected versions
33 explicit affected versions
44 explicit affected versions
38 explicit affected versions
43 explicit affected versions
10 explicit affected versions
50 explicit affected versions
26 explicit affected versions
51 explicit affected versions
6 explicit affected versions
12 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The sanity_check_ckpt function in fs/f2fs/super.c in the Linux kernel before 4.12.4 does not validate the blkoff and segno arrays, which allows local users to gain privileges via unspecified vectors.
05 / REFERENCES
Further evidence
- http://blog.trendmicro.com/trendlabs-security-intelligence/vulnerability-f2fs-file-system-leads-memory-corruption-android-linux/
- https://ubuntu.com/security/CVE-2017-10663
- https://ubuntu.com/security/notices/USN-3420-1
- https://ubuntu.com/security/notices/USN-3420-2
- https://ubuntu.com/security/notices/USN-3468-1
- https://ubuntu.com/security/notices/USN-3468-2
- https://ubuntu.com/security/notices/USN-3468-3
- https://ubuntu.com/security/notices/USN-3470-1
- https://ubuntu.com/security/notices/USN-3470-2
- https://www.cve.org/CVERecord?id=CVE-2017-10663