CVE-2011-2695
MEDIUM · CVSS 4.9EPSS 0.5%EU EUVD
Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.
Key facts
- CVSS score
- 4.9 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-193
- EPSS score
- 0.5% (39th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-2676)
- Published
- July 28, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-2676 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f17722f917b2f21497deb6edc62fb1683daa08e6
- http://secunia.com/advisories/45193(Third Party Advisory)
- http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5(Broken Link)
- http://www.openwall.com/lists/oss-security/2011/07/15/7(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2011/07/15/8(Mailing List, Third Party Advisory)
- http://www.spinics.net/lists/linux-ext4/msg25697.html(Exploit, Patch, Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=722557(Issue Tracking, Patch, Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain