CVE-2011-3638: linux linux_kernel
Vulnerability summary
CVE-2011-3638 is a medium (CVSS 4.0) vulnerability in linux linux_kernel. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 29.7% 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 3Timeline
- 01-03-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.36% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Redhat18 products
- kernel< 0:2.6.18-238.37.1.el5
- kernel-debug< 0:2.6.18-238.37.1.el5
- kernel-debug-debuginfo< 0:2.6.18-238.37.1.el5
- kernel-debug-devel< 0:2.6.18-238.37.1.el5
- kernel-debuginfo< 0:2.6.18-238.37.1.el5
Ubuntu7 products
- linux< 3.11.0-12.19
- linux-flo< 3.4.0-1.3
- linux-goldfish< 3.4.0-1.9
- linux-grouper< 3.1.10-8.28
- linux-maguro< 3.0.0-3.18
Linux1 product
- linux_kernel< 3.0
3 vendors · 26 products
References
15 links- github.com/torvalds/linux/commit/667eff35a1f56fa74ce98a0c7c29a40adc1ba4e3X Refsource CONFIRMPatchThird Party Advisory
- git.kernel.orgX Refsource CONFIRM
- bugzilla.redhat.com/show_bug.cgi?id=747942X Refsource CONFIRMIssue TrackingThird Party AdvisoryREPORT