Unscored severity · published Oct 20, 2009
CVE-2009-2910
arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel registers before a return to user mode, which allows local users…
–
CVSS
0.4%
EPSS
No
On KEV
Description
arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel registers before a return to user mode, which allows local users to read register values from an earlier process by switching an ia32 process to 64-bit mode.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 2.6.31.4 · source: NVD
EL
Enterprise Linux Desktop · Redhat
5.0 · source: NVD
EL
Enterprise Linux Eus · Redhat
5.4 · source: NVD
EL
Enterprise Linux Server · Redhat
5.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
5.0 · source: NVD
FE
Fedora · Fedoraproject
10 · source: NVD
LE
Linux Enterprise Debuginfo · Suse
10 · source: NVD
LE
Linux Enterprise Desktop · Suse
10 · source: NVD
LE
Linux Enterprise Server · Suse
9; 10 · source: NVD
LE
Linux Enterprise Software Development Kit · Suse
10 · source: NVD
OP
Opensuse · Opensuse
11.0 · source: NVD
UL
Ubuntu Linux · Canonical
6.06; 8.04; 8.10; 9.04; 9.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2009-2910
CVE.org
https://www.cve.org/CVERecord?id=CVE-2009-2910
git.kernel.org
http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git%3Ba=commit%3Bh=24e35800cdc4350fc34e2bed37b608a9e13ab3b6
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
Patch
http://lkml.org/lkml/2009/10/1/164
Third Party Advisory
http://marc.info/?l=oss-security&m=125442304214452&w=2
More from Kernel
9.8
CVE-2025-39682
tls: fix handling of zero-length records on the rx_list
8.8
CVE-2026-53266
netfilter: bridge: make ebt_snat ARP rewrite writable
8.8
CVE-2013-6282
Linux Kernel Improper Input Validation Vulnerability
8.4
CVE-2022-0185
Linux Kernel Heap-Based Buffer Overflow Vulnerability
8.4
CVE-2013-2094
Linux Kernel Privilege Escalation Vulnerability