CVE-2018-10879
What it is
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause a use-after-free in ext4_xattr_set_entry function and a denial of service or unspecified other impact may occur by renaming a file in a crafted ext4 filesystem image.
At a glance
- Exploitability
- Can be exploited with physical access without logging in. High risk of service disruption.
- Exploit odds
- 0.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.9% in the next 30 days (EPSS).
- Severity: 4.2 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.9% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 18.04
- Linux Kernel < 4.17.6
- Debian Linux 8.0
- Redhat Enterprise Linux 7.0
- Redhat Enterprise Linux Desktop 7.0
- Redhat Enterprise Linux Server 7.0
Attack profile CVSS 3.0 · 4.2
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-10879.md and follow it. Check whether this project is affected by CVE-2018-10879. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://patchwork.ozlabs.org/patch/928666/
- http://patchwork.ozlabs.org/patch/928667/
- https://bugzilla.kernel.org/show_bug.cgi?id=200001
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10879
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=513f86d73855ce556ea9522b6bfd79f87356dc3a
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5369a762c882c0b6e9599e4ebbb3a9ba9eee7e2d
- http://patchwork.ozlabs.org/patch/928666/
- http://patchwork.ozlabs.org/patch/928667/
- https://bugzilla.kernel.org/show_bug.cgi?id=200001
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10879
References
- http://patchwork.ozlabs.org/patch/928666/
- http://patchwork.ozlabs.org/patch/928667/
- http://www.securityfocus.com/bid/104902
- https://access.redhat.com/errata/RHSA-2018:2948
- https://access.redhat.com/errata/RHSA-2018:3083
- https://access.redhat.com/errata/RHSA-2018:3096
- https://bugzilla.kernel.org/show_bug.cgi?id=200001
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10879
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=513f86d73855ce556ea9522b6bfd79f87356dc3a
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5369a762c882c0b6e9599e4ebbb3a9ba9eee7e2d
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
- https://usn.ubuntu.com/3753-1/
- https://usn.ubuntu.com/3753-2/
- https://usn.ubuntu.com/3871-1/
- https://usn.ubuntu.com/3871-3/
- https://usn.ubuntu.com/3871-4/
- https://usn.ubuntu.com/3871-5/
- http://patchwork.ozlabs.org/patch/928666/
- http://patchwork.ozlabs.org/patch/928667/
- http://www.securityfocus.com/bid/104902
- https://access.redhat.com/errata/RHSA-2018:2948
- https://access.redhat.com/errata/RHSA-2018:3083
- https://access.redhat.com/errata/RHSA-2018:3096
- https://bugzilla.kernel.org/show_bug.cgi?id=200001
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10879