01 Record
CVE-2010-4668
The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 2.6.37-rc7 allows local users to cause a denial of service (panic) via a zero-length I/O request in a device ioctl to a
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 2.6.37-rc7 allows local users to cause a denial of service (panic) via a zero-length I/O request in a device ioctl to a
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
- 0.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 34.4% 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
- 2011-01-03 19:26Z15 YR AGO
- Last updated
- 2024-08-07 03:51Z2 YR AGO
- Reserved
- 2011-01-03
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-400Uncontrolled Resource ConsumptionClass
- Data version
- 5.1
- Document digest
- e1f7a2d4a8a39aa4b2c8b1b3e6e5712edcda9bd1c2463b9cb1646c00fe5512cc
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.securityfocus.com45660http://www.securityfocus.com/bid/45660
- openwall.com[oss-security] 20101130 Re: CVE request: kernel: Multiple DoS issues in block layerhttp://openwall.com/lists/oss-security/2010/11/30/4
- openwall.com[oss-security] 20101130 Re: CVE request: kernel: Multiple DoS issues in block layerhttp://openwall.com/lists/oss-security/2010/11/30/7
- www.redhat.comRHSA-2011:0007http://www.redhat.com/support/errata/RHSA-2011-0007.html
- openwall.com[oss-security] 20101129 Re: CVE request: kernel: Multiple DoS issues in block layerhttp://openwall.com/lists/oss-security/2010/11/29/1
- lkml.org[linux-kernel] 20101129 Re: [PATCH] block: check for proper length of iov entries earlier in blk_rq_map_user_iov()http://lkml.org/lkml/2010/11/29/70
- lkml.org[linux-kernel] 20101129 [PATCH] block: check for proper length of iov entries earlier in blk_rq_map_user_iov()http://lkml.org/lkml/2010/11/29/68
- secunia.com42890http://secunia.com/advisories/42890
- patchwork.kernel.orghttps://patchwork.kernel.org/patch/363282/
- git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5478755616ae2ef1ce144dded589b62b2a50d575
- www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc7
- exchange.xforce.ibmcloud.comlinux-blkrqmapuseriov-dos(64496)https://exchange.xforce.ibmcloud.com/vulnerabilities/64496