CVE-2013-2140
The dispatch_discard_io function in drivers/block/xen-blkback/blkback.c in the Xen blkback implementation in the Linux kernel before 3.10.5 allows guest OS users to cause a denial of service (data
02 Description
The dispatch_discard_io function in drivers/block/xen-blkback/blkback.c in the Xen blkback implementation in the Linux kernel before 3.10.5 allows guest OS users to cause a denial of service (data
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
- 1.01% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 62.8% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- 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
- 2013-09-25 10:00Z13 YR AGO
- Last updated
- 2024-08-06 15:27Z2 YR AGO
- Reserved
- 2013-02-19
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- df03620dccba581eec60c6f3323de9d93f6093080a4254c42a74ead25f7d188f
05 Affected products
06 References
- www.ubuntu.comUSN-1943-1http://www.ubuntu.com/usn/USN-1943-1
- www.ubuntu.comUSN-2039-1http://www.ubuntu.com/usn/USN-2039-1
- www.ubuntu.comUSN-1938-1http://www.ubuntu.com/usn/USN-1938-1
- www.ubuntu.comUSN-1944-1http://www.ubuntu.com/usn/USN-1944-1
- www.ubuntu.comUSN-1945-1http://www.ubuntu.com/usn/USN-1945-1
- www.ubuntu.comUSN-2038-1http://www.ubuntu.com/usn/USN-2038-1
- people.canonical.comhttp://people.canonical.com/~ubuntu-security/cve/2013/CVE-2013-2140.html
- www.openwall.com[oss-security] 20130605 Re: xen/blkback: Check device permissions before allowing OP_DISCARDhttp://www.openwall.com/lists/oss-security/2013/06/05/21
- git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=604c499cbbcc3d5fe5fb8d53306aa0fae1990109
- github.comhttps://github.com/torvalds/linux/commit/604c499cbbcc3d5fe5fb8d53306aa0fae1990109
- www.ubuntu.comUSN-1947-1http://www.ubuntu.com/usn/USN-1947-1
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=971146
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.5
- www.ubuntu.comUSN-1946-1http://www.ubuntu.com/usn/USN-1946-1
07 Fixed in
Debian 12
- linux Fixed in 3.10.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 3.10.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 3.10.1-1
Source: Debian Security Tracker, the Debian security team. 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.