Description
fs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero out the unused memory region in the extent tree block, which might allow local users to obtain sensitive information by reading uninitialized data in the filesystem.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/torvalds/linux/commit/592acbf16821288ecdc4192c47e3774a4c48bb64 ↗
- http://www.securityfocus.com/bid/108372 ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJGZIMGB72TL7OGWRMHIL43WHXFQWU4X/ ↗
- https://www.debian.org/security/2019/dsa-4465 ↗
- https://lists.debian.org/debian-lts-announce/2019/06/msg00010.html ↗
- https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html ↗
- https://seclists.org/bugtraq/2019/Jun/26 ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html ↗
- https://usn.ubuntu.com/4068-1/ ↗
- https://usn.ubuntu.com/4068-2/ ↗
- https://usn.ubuntu.com/4069-1/ ↗
- https://usn.ubuntu.com/4076-1/ ↗
- https://usn.ubuntu.com/4069-2/ ↗
- https://access.redhat.com/errata/RHSA-2019:2043 ↗
- https://access.redhat.com/errata/RHSA-2019:2029 ↗
- https://usn.ubuntu.com/4095-2/ ↗
- https://usn.ubuntu.com/4118-1/ ↗
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html ↗
- https://access.redhat.com/errata/RHSA-2019:3309 ↗
- https://access.redhat.com/errata/RHSA-2019:3517 ↗