UBUNTU-CVE-2017-17862
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 ignores unreachable code, even though it would still be processed by JIT compilers. This behavior, also considered an improper branch-pruning logic issue, could possibly be used by local users for denial of service.
02 / AFFECTED SOFTWARE
Affected packages
9 explicit affected versions
49 explicit affected versions
70 explicit affected versions
30 explicit affected versions
6 explicit affected versions
6 explicit affected versions
26 explicit affected versions
10 explicit affected versions
3 explicit affected versions
44 explicit affected versions
41 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
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 ignores unreachable code, even though it would still be processed by JIT compilers. This behavior, also considered an improper branch-pruning logic issue, could possibly be used by local users for denial of service.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2017/12/24/1
- https://ubuntu.com/security/CVE-2017-17862
- https://ubuntu.com/security/notices/USN-3523-1
- https://ubuntu.com/security/notices/USN-3523-2
- https://ubuntu.com/security/notices/USN-3523-3
- https://ubuntu.com/security/notices/USN-3619-1
- https://ubuntu.com/security/notices/USN-3619-2
- https://www.cve.org/CVERecord?id=CVE-2017-17862
- https://www.spinics.net/lists/stable/msg206984.html