Vulnerability Details : CVE-2018-13094
An issue was discovered in fs/xfs/libxfs/xfs_attr_leaf.c in the Linux kernel through 4.17.3. An OOPS may occur for a corrupted xfs image after xfs_da_shrink_inode() is called with a NULL bp.
Products affected by CVE-2018-13094
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-13094
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-13094
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-13094
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-13094
-
https://usn.ubuntu.com/3754-1/
USN-3754-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3752-2/
USN-3752-2: Linux kernel (HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
[SECURITY] [DLA 2114-1] linux-4.9 security update
-
https://usn.ubuntu.com/3752-1/
USN-3752-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://bugzilla.kernel.org/show_bug.cgi?id=199969
199969 – NULL pointer dereference in xfs_trans_binval() when mounting and operating a crafted xfs imageExploit;Issue Tracking;Third Party Advisory
-
https://usn.ubuntu.com/3753-2/
USN-3753-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3752-3/
USN-3752-3: Linux kernel (Azure, GCP, OEM) vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=bb3d48dcf86a97dc25fe9fc2c11938e19cb4399a
xfs/xfs-linux.git - XFS kernel development treePatch;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:2029
RHSA-2019:2029 - Security Advisory - Red Hat Customer Portal
-
https://github.com/torvalds/linux/commit/bb3d48dcf86a97dc25fe9fc2c11938e19cb4399a
xfs: don't call xfs_da_shrink_inode with NULL bp · torvalds/linux@bb3d48d · GitHubPatch;Third Party Advisory
-
https://usn.ubuntu.com/3753-1/
USN-3753-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2019:0831
RHSA-2019:0831 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2019:2043
RHSA-2019:2043 - Security Advisory - Red Hat Customer Portal
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