CVE-2019-19767
Last modified
CVE-2019-19767 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.. EPSS estimates a 2.08% chance of exploitation in the next 30 days.
Description
The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.4.2 |
References
- https://bugzilla.kernel.org/show_bug.cgi?id=205609Exploit, Issue Tracking, Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=205707Issue Tracking, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2Release Notes, Vendor Advisory
- https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55aPatch, Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=205609Exploit, Issue Tracking, Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=205707Issue Tracking, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2Release Notes, Vendor Advisory
- https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55aPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-19767?
How severe is CVE-2019-19767?
How do I fix CVE-2019-19767?
Are you affected by CVE-2019-19767?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST