CVE-2015-8374
fs/btrfs/inode.c in the Linux kernel before 4.3.3 mishandles compressed inline extents, which allows local users to obtain sensitive pre-truncation information from a file via a clone action.
02 Description
fs/btrfs/inode.c in the Linux kernel before 4.3.3 mishandles compressed inline extents, which allows local users to obtain sensitive pre-truncation information from a file via a clone action.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.50% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 42.6% of scored records. A rank, not a probability.
- NVD base score
- 4.0 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-12-28 11:00Z10 YR AGO
- Last updated
- 2024-08-06 08:13Z2 YR AGO
- Reserved
- 2015-11-27
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.1
- Document digest
- 66d1fb7f9674a1f582fb42570032f239abce60176b99f3a8293bde6d6d4a909a
05 Affected products
06 References
- www.securitytracker.com1034895http://www.securitytracker.com/id/1034895
- github.comhttps://github.com/torvalds/linux/commit/0305cd5f7fca85dae392b9ba85b116896eb7c1c7
- www.ubuntu.comUSN-2887-2http://www.ubuntu.com/usn/USN-2887-2
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
- www.openwall.com[oss-security] 20151127 CVE request: Linux kernel, information disclosure after file truncate on BTRFShttp://www.openwall.com/lists/oss-security/2015/11/27/2
- www.ubuntu.comUSN-2886-1http://www.ubuntu.com/usn/USN-2886-1
- www.ubuntu.comUSN-2887-1http://www.ubuntu.com/usn/USN-2887-1
- www.ubuntu.comUSN-2890-3http://www.ubuntu.com/usn/USN-2890-3
- rhn.redhat.comRHSA-2016:2584http://rhn.redhat.com/errata/RHSA-2016-2584.html
- www.ubuntu.comUSN-2889-1http://www.ubuntu.com/usn/USN-2889-1
- rhn.redhat.comRHSA-2016:2574http://rhn.redhat.com/errata/RHSA-2016-2574.html
- www.ubuntu.comUSN-2889-2http://www.ubuntu.com/usn/USN-2889-2
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1286261
- www.securityfocus.com78219http://www.securityfocus.com/bid/78219
- www.ubuntu.comUSN-2890-2http://www.ubuntu.com/usn/USN-2890-2
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- www.debian.orgDSA-3426http://www.debian.org/security/2015/dsa-3426
- git.kernel.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0305cd5f7fca85dae392b9ba85b116896eb7c1c7
- www.ubuntu.comUSN-2890-1http://www.ubuntu.com/usn/USN-2890-1
- www.ubuntu.comUSN-2888-1http://www.ubuntu.com/usn/USN-2888-1
07 Fixed in
Debian 12
- linux Fixed in 4.2.6-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 4.2.6-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 4.2.6-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- linux Fixed in 3.13.0-77.121
- linux-lts-utopic Fixed in 3.16.0-60.80~14.04.1
- linux-lts-vivid Fixed in 3.19.0-49.55~14.04.1
- linux-lts-wily Fixed in 4.2.0-27.32~14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.