UBUNTU-CVE-2018-14617
An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.
02 / AFFECTED SOFTWARE
Affected packages
53 explicit affected versions
23 explicit affected versions
6 explicit affected versions
191 explicit affected versions
29 explicit affected versions
10 explicit affected versions
1 explicit affected versions
33 explicit affected versions
1 explicit affected versions
1 explicit affected versions
12 explicit affected versions
1 explicit affected versions
21 explicit affected versions
10 explicit affected versions
9 explicit affected versions
27 explicit affected versions
1 explicit affected versions
6 explicit affected versions
23 explicit affected versions
61 explicit affected versions
11 explicit affected versions
55 explicit affected versions
29 explicit affected versions
21 explicit affected versions
34 explicit affected versions
83 explicit affected versions
51 explicit affected versions
41 explicit affected versions
1 explicit affected versions
1 explicit affected versions
42 explicit affected versions
12 explicit affected versions
21 explicit affected versions
26 explicit affected versions
26 explicit affected versions
54 explicit affected versions
3 explicit affected versions
21 explicit affected versions
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.
05 / REFERENCES
Further evidence
- https://bugzilla.kernel.org/show_bug.cgi?id=200297
- https://ubuntu.com/security/CVE-2018-14617
- https://ubuntu.com/security/notices/USN-3821-1
- https://ubuntu.com/security/notices/USN-3821-2
- https://ubuntu.com/security/notices/USN-4094-1
- https://ubuntu.com/security/notices/USN-4118-1
- https://www.cve.org/CVERecord?id=CVE-2018-14617
- https://www.spinics.net/lists/linux-fsdevel/msg130021.html