VulnerabilityModified
CVE-2015-8961
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
HIGH 7.8EPSS 2.00%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.00% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- security@android.com
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6934da9238da947628be83635e365df41064b09bPatch, Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3Release Notes
- http://www.securityfocus.com/bid/94135Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/6934da9238da947628be83635e365df41064b09bPatch, Vendor Advisory
- https://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6934da9238da947628be83635e365df41064b09bPatch, Vendor Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3Release Notes
- http://www.securityfocus.com/bid/94135Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/6934da9238da947628be83635e365df41064b09bPatch, Vendor Advisory
- https://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.