NULL Pointer Dereference Affecting kernel package, versions <0:3.10.0-1062.el7
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-CENTOS7-KERNEL-2139438
- published26 Jul 2021
- disclosed3 Jun 2018
Introduced: 3 Jun 2018
CVE-2018-13095 (opens in a new tab)How to fix?
Upgrade Centos:7 kernel to version 0:3.10.0-1062.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
An issue was discovered in fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel through 4.17.3. A denial of service (memory corruption and BUG) can occur for a corrupted xfs image upon encountering an inode that is in extent format, but has more extents than fit in the inode fork.
References
- https://access.redhat.com/security/cve/CVE-2018-13095
- https://bugzilla.kernel.org/show_bug.cgi?id=199915
- https://github.com/torvalds/linux/commit/23fcb3340d033d9f081e21e6c12c2db7eaa541d3
- https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=23fcb3340d033d9f081e21e6c12c2db7eaa541d3
- https://access.redhat.com/errata/RHSA-2019:2029