UBUNTU-CVE-2017-7374
Use-after-free vulnerability in fs/crypto/ in the Linux kernel before 4.10.7 allows local users to cause a denial of service (NULL pointer dereference) or possibly gain privileges by revoking keyring keys being used for ext4, f2fs, or ubifs encryption, causing cryptographic transform objects to be freed prematurely.
02 / AFFECTED SOFTWARE
Affected packages
28 explicit affected versions
49 explicit affected versions
8 explicit affected versions
6 explicit affected versions
17 explicit affected versions
26 explicit affected versions
23 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
Use-after-free vulnerability in fs/crypto/ in the Linux kernel before 4.10.7 allows local users to cause a denial of service (NULL pointer dereference) or possibly gain privileges by revoking keyring keys being used for ext4, f2fs, or ubifs encryption, causing cryptographic transform objects to be freed prematurely.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1b53cf9815bb4744958d41f3795d5d5a1d365e2d
- https://ubuntu.com/security/CVE-2017-7374
- https://ubuntu.com/security/notices/USN-3265-1
- https://ubuntu.com/security/notices/USN-3265-2
- https://ubuntu.com/security/notices/USN-3342-1
- https://ubuntu.com/security/notices/USN-3342-2
- https://www.cve.org/CVERecord?id=CVE-2017-7374
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.7