CVE-2015-8374: linux linux_kernel
Vulnerability summary
CVE-2015-8374 is a medium (CVSS 4.0) vulnerability in linux linux_kernel. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 42.9% of scored vulnerabilities.
Not severe (CVSS 4, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 28-12-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated4.0MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated4.0MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.50% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu4 products
- linux< 3.13.0-77.121
- linux-lts-utopic< 3.16.0-60.80~14.04.1
- linux-lts-vivid< 3.19.0-49.55~14.04.1
- linux-lts-wily< 4.2.0-27.32~14.04.1
Debian1 product
- linux< 4.2.6-2
Linux1 product
- linux_kernel≤ 4.3.2
3 vendors · 6 products
References
34 links- github.com/torvalds/linux/commit/0305cd5f7fca85dae392b9ba85b116896eb7c1c7X Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.htmlX Refsource CONFIRM
Show all 34 references
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3X Refsource CONFIRM
- bugzilla.redhat.com/show_bug.cgi?id=1286261X Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlX Refsource CONFIRM
