UBUNTU-CVE-2017-12192
The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.
02 / AFFECTED SOFTWARE
Affected packages
126 explicit affected versions
40 explicit affected versions
62 explicit affected versions
21 explicit affected versions
6 explicit affected versions
5 explicit affected versions
18 explicit affected versions
26 explicit affected versions
3 explicit affected versions
38 explicit affected versions
35 explicit affected versions
44 explicit affected versions
38 explicit affected versions
43 explicit affected versions
10 explicit affected versions
50 explicit affected versions
1 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 keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.
05 / REFERENCES
Further evidence
- https://bugzilla.redhat.com/show_bug.cgi?id=1493435
- https://lkml.org/lkml/2017/9/18/764
- https://ubuntu.com/security/CVE-2017-12192
- https://ubuntu.com/security/notices/USN-3469-1
- https://ubuntu.com/security/notices/USN-3469-2
- https://ubuntu.com/security/notices/USN-3487-1
- https://ubuntu.com/security/notices/USN-3583-1
- https://ubuntu.com/security/notices/USN-3583-2
- https://www.cve.org/CVERecord?id=CVE-2017-12192