Buffer overflow in Linux Kernel
CVE-2011-3191
Integer signedness error in the CIFSFindNext function in fs/cifs/cifssmb.c in the Linux kernel before 3.1 allows remote CIFS servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a large length value in a response to a read request for a directory.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: -0.000
Affected products
- Linux Kernel
- Red Hat Enterprise Linux — versions 4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/
- www.openwall.com/lists/oss-security/2011/08/24/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 (Patch, Mailing List, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- github.com/torvalds/linux/commit/9438fabb73eb48055b58b89fc51e0bc4db22fabd (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2011-3191?
- CVE-2011-3191 is a high-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2012-05-24.
- How severe is CVE-2011-3191?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2011-3191 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.