UBUNTU-CVE-2018-17182
An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.
02 / AFFECTED SOFTWARE
Affected packages
19 explicit affected versions
2 explicit affected versions
59 explicit affected versions
81 explicit affected versions
40 explicit affected versions
22 explicit affected versions
20 explicit affected versions
40 explicit affected versions
19 explicit affected versions
53 explicit affected versions
51 explicit affected versions
18 explicit affected versions
13 explicit affected versions
13 explicit affected versions
12 explicit affected versions
13 explicit affected versions
10 explicit affected versions
14 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
3 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.
05 / REFERENCES
Further evidence
- https://googleprojectzero.blogspot.com/2018/09/a-cache-invalidation-bug-in-linux.html
- https://ubuntu.com/security/CVE-2018-17182
- https://ubuntu.com/security/notices/USN-3776-1
- https://ubuntu.com/security/notices/USN-3776-2
- https://ubuntu.com/security/notices/USN-3777-1
- https://ubuntu.com/security/notices/USN-3777-2
- https://ubuntu.com/security/notices/USN-3777-3
- https://www.cve.org/CVERecord?id=CVE-2018-17182