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CVE-2011-3191

Integer signedness error in the CIFSFindNext function in fs/cifs/cifssmb.c in the Linux kernel...

8.8 HighFix available

CVE-2011-3191 is a high vulnerability (CVSS 8.8) in Linux Kernel, published September 8, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. Fixed in linux-2.6 2.6.32-35squeeze1.

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.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.06%Unchanged since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 8.8

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.

Record
CVE-2011-3191
CVSS 3.1
8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
8.3 HighAV:A/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2011-3191
Updated
2026-11-02
EUVDEUVD-2011-3155 No score

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.

Record
EUVD-2011-3155
Updated
2026-11-03
GitHub AdvisoriesGHSA-xhj3-gjcc-48pc 8.8

Integer signedness error in the CIFSFindNext function in fs/cifs/cifssmb.c in the Linux kernel...

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.

Record
GHSA-xhj3-gjcc-48pc
CVSS 3.1
8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
linux-2.6
Debian:6.0
 before 2.6.32-35squeeze1, plus listed versions
2.6.32-302.6.32-30+m68k.52.6.32-312.6.32-31~bpo50+12.6.32-32
Show 5 moreShow less
2.6.32-332.6.32-342.6.32-34squeeze12.6.32-352.6.32-35~bpo50+1
2.6.32-35squeeze1
linux-2.6
Debian:5.0
 before 2.6.26-26lenny4, plus listed versions
2.6.26-132.6.26-13lenny22.6.26-13lenny2~bpo40+12.6.26-142.6.26-15
Show 35 moreShow less
2.6.26-15lenny12.6.26-15lenny22.6.26-15lenny32.6.26-15~bpo40+12.6.26-15~bpo40+22.6.26-162.6.26-172.6.26-17lenny12.6.26-17lenny22.6.26-17lenny2~bpo40+12.6.26-17~bpo40+12.6.26-182.6.26-192.6.26-19lenny12.6.26-19lenny22.6.26-19~bpo40+12.6.26-202.6.26-20~bpo40+12.6.26-212.6.26-21lenny12.6.26-21lenny22.6.26-21lenny32.6.26-21lenny42.6.26-21~bpo40+12.6.26-222.6.26-22lenny12.6.26-232.6.26-242.6.26-24lenny12.6.26-252.6.26-25lenny12.6.26-262.6.26-26lenny12.6.26-26lenny22.6.26-26lenny3
2.6.26-26lenny4
kernel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
Show 57 moreShow less
Affected packages
PackageAffectedFixed
kernel-debuginfo-common
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-doc
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-doc
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-kdump
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-kdump-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-kdump-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-274.7.1.el5
0:2.6.18-274.7.1.el5
kernel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-bootwrapper
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-debug
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-debug-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-debug-devel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-debuginfo-common-i686
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-debuginfo-common-ppc64
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-debuginfo-common-s390x
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-debuginfo-common-x86_64
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-devel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-doc
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-firmware
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-headers
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-kdump
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-kdump-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-kdump-devel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
perf
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
perf-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-131.21.1.el6
0:2.6.32-131.21.1.el6
kernel-rt
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-debug
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-debug-debuginfo
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-debug-devel
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-debuginfo
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-debuginfo-common-x86_64
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-devel
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-doc
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-firmware
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-trace
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-trace-debuginfo
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-trace-devel
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-vanilla
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-vanilla-debuginfo
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt
kernel-rt-vanilla-devel
Red Hat:enterprise_mrg:2:server:el6
 before 0:2.6.33.9-rt31.79.el6rt
0:2.6.33.9-rt31.79.el6rt

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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