UBUNTU-CVE-2017-16994
The walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel before 4.14.2 mishandles holes in hugetlb ranges, which allows local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call.
02 / AFFECTED SOFTWARE
Affected packages
9 explicit affected versions
49 explicit affected versions
70 explicit affected versions
30 explicit affected versions
12 explicit affected versions
10 explicit affected versions
31 explicit affected versions
10 explicit affected versions
8 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
2 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel before 4.14.2 mishandles holes in hugetlb ranges, which allows local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=373c4557d2aa362702c4c2d41288fb1e54990b7c
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.2
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1431
- https://github.com/torvalds/linux/commit/373c4557d2aa362702c4c2d41288fb1e54990b7c
- https://ubuntu.com/security/CVE-2017-16994
- https://ubuntu.com/security/notices/USN-3617-1
- https://ubuntu.com/security/notices/USN-3617-2
- https://ubuntu.com/security/notices/USN-3617-3
- https://ubuntu.com/security/notices/USN-3619-1
- https://ubuntu.com/security/notices/USN-3619-2
- https://ubuntu.com/security/notices/USN-3632-1
- https://www.cve.org/CVERecord?id=CVE-2017-16994