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CVE-2010-2492

Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs...

7.8 HighFix available

Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Linux kernel before 2.6.35 might allow local users to gain privileges or cause a denial of service (system crash) via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.43%Down 0.8 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Linux kernel before 2.6.35 might allow local users to gain privileges or cause a denial of service (system crash) via unspecified vectors.

Record
CVE-2010-2492
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-120
Updated
2026-11-02
CVE List No score

Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Linux kernel before 2.6.35 might allow local users to gain privileges or cause a denial of service (system crash) via unspecified vectors.

Record
CVE-2010-2492
Updated
2026-11-02
EUVDEUVD-2010-2496 No score

Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Linux kernel before 2.6.35 might allow local users to gain privileges or cause a denial of service (system crash) via unspecified vectors.

Record
EUVD-2010-2496
Updated
2026-11-03
GitHub AdvisoriesGHSA-gqmg-rx5r-xhwg 7.8

Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs...

Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Linux kernel before 2.6.35 might allow local users to gain privileges or cause a denial of service (system crash) via unspecified vectors.

Record
GHSA-gqmg-rx5r-xhwg
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-120
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
linux-2.6
Debian:5.0
 before 2.6.26-25lenny1, plus listed versions
2.6.26-132.6.26-13lenny22.6.26-13lenny2~bpo40+12.6.26-142.6.26-15
Show 30 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+12.6.26-222.6.26-22lenny12.6.26-232.6.26-242.6.26-24lenny12.6.26-25
2.6.26-25lenny1
kernel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-debug
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
Show 77 moreShow less
Affected packages
PackageAffectedFixed
kernel-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-doc
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-headers
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-xen
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::client
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-PAE
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-PAE-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-PAE-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-debug
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-debug-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-debug-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-debuginfo-common
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-doc
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-headers
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-kdump
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-kdump-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-kdump-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-xen
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-xen-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel-xen-devel
Red Hat:enterprise_linux:5::server
 before 0:2.6.18-194.17.1.el5
0:2.6.18-194.17.1.el5
kernel
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug-debuginfo
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug-devel
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo-common-i686
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo-common-x86_64
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-devel
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-doc
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-firmware
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-headers
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
perf
Red Hat:enterprise_linux:6::client
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug-debuginfo
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug-devel
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo-common-x86_64
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-devel
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-doc
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-firmware
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-headers
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
perf
Red Hat:enterprise_linux:6::computenode
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-bootwrapper
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug-devel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo-common-i686
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo-common-ppc64
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo-common-s390x
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo-common-x86_64
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-devel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-doc
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-firmware
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-headers
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-kdump
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-kdump-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-kdump-devel
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
perf
Red Hat:enterprise_linux:6::server
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debug-devel
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo-common-i686
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-debuginfo-common-x86_64
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-devel
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-doc
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-firmware
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
kernel-headers
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6
perf
Red Hat:enterprise_linux:6::workstation
 before 0:2.6.32-71.14.1.el6
0:2.6.32-71.14.1.el6

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-2492 is a high vulnerability (CVSS 7.8) in Linux Kernel, published September 8, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. Fixed in linux-2.6 2.6.26-25lenny1.

References

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