UBUNTU-CVE-2019-11833
fs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero out the unused memory region in the extent tree block, which might allow local users to obtain sensitive information by reading uninitialized data in the filesystem.
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
9 explicit affected versions
1 explicit affected versions
32 explicit affected versions
1 explicit affected versions
1 explicit affected versions
12 explicit affected versions
1 explicit affected versions
32 explicit affected versions
10 explicit affected versions
9 explicit affected versions
34 explicit affected versions
8 explicit affected versions
26 explicit affected versions
1 explicit affected versions
5 explicit affected versions
23 explicit affected versions
11 explicit affected versions
66 explicit affected versions
28 explicit affected versions
33 explicit affected versions
94 explicit affected versions
51 explicit affected versions
39 explicit affected versions
1 explicit affected versions
1 explicit affected versions
54 explicit affected versions
12 explicit affected versions
29 explicit affected versions
26 explicit affected versions
25 explicit affected versions
75 explicit affected versions
53 explicit affected versions
8 explicit affected versions
21 explicit affected versions
11 explicit affected versions
1 explicit affected versions
64 explicit affected versions
23 explicit affected versions
2 explicit affected versions
191 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
fs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero out the unused memory region in the extent tree block, which might allow local users to obtain sensitive information by reading uninitialized data in the filesystem.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=592acbf16821288ecdc4192c47e3774a4c48bb64
- https://github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64
- https://ubuntu.com/security/CVE-2019-11833
- https://ubuntu.com/security/notices/USN-4068-1
- https://ubuntu.com/security/notices/USN-4068-2
- https://ubuntu.com/security/notices/USN-4069-1
- https://ubuntu.com/security/notices/USN-4069-2
- https://ubuntu.com/security/notices/USN-4076-1
- https://ubuntu.com/security/notices/USN-4095-2
- https://ubuntu.com/security/notices/USN-4118-1
- https://www.cve.org/CVERecord?id=CVE-2019-11833