VulnerabilityModified
CVE-2015-8839
Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole…
MEDIUM 5.1EPSS 0.35%
Does this matter?
Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.
Description
Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling.
- CVSS 3.1
- 5.1 MEDIUMCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.35% probability · 28th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- linux/linux kernel · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933bVendor Advisory
- http://www.openwall.com/lists/oss-security/2016/04/01/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/85798Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035455Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3005-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3006-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3007-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2669Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1323577Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933bThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlThird Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea3d7209ca01da209cda6f0dea8be9cc4b7a933bVendor Advisory
- http://www.openwall.com/lists/oss-security/2016/04/01/4Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/85798Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035455Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3005-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3006-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3007-1Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1842Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2077Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2669Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1323577Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/ea3d7209ca01da209cda6f0dea8be9cc4b7a933bThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.