CVEvulnerability
CVE-2019-19767
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-12-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-416
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.
Affected configurations
• linux linux kernel (< 5.4.2)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html lists.opensuse.org
- https://bugzilla.kernel.org/show_bug.cgi?id=205609 Exploit, Issue Tracking, Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=205707 Issue Tracking, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2 Release Notes, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html lists.debian.org
- https://security.netapp.com/advisory/ntap-20200103-0001/ security.netapp.com
- https://usn.ubuntu.com/4258-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4284-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4287-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4287-2/ usn.ubuntu.com
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html lists.opensuse.org
- https://bugzilla.kernel.org/show_bug.cgi?id=205609 Exploit, Issue Tracking, Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=205707 Issue Tracking, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2 Release Notes, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html lists.debian.org
- https://security.netapp.com/advisory/ntap-20200103-0001/ security.netapp.com
- https://usn.ubuntu.com/4258-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4284-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4287-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4287-2/ usn.ubuntu.com