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Vulnerability record · CVE-2010-3301 · published 22 September 2010

CVE-2010-3301: Linux kernel improper privilege management vulnerability

Linux · Linux Kernel

The IA32 system call emulation functionality in arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.36-rc4-git2 on the x86_64 platform does not zero extend the %eax register after the 32-bit entry path to ptrace is used, which allows local users to gain privileges by triggering an out-of-bounds access to the system call table using the %rax register. NOTE: this vulnerability exists because of a CVE-2007-4573 regression.

7.2 CVSS 2.0 High EPSS 3.8% · top 10.2% CWE-269 · Improper privilege management
7.2CVSS 2.0 base score
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
34References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

The IA32 system call emulation functionality in arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.36-rc4-git2 on the x86_64 platform does not zero extend the %eax register after the 32-bit entry path to ptrace is used, which allows local users to gain privileges by triggering an out-of-bounds access to the system call table using the %rax register. NOTE: this vulnerability exists because of a CVE-2007-4573 regression.

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=36d001c70d8a0144ac1d038f6876c484849a74de
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=eefdca043e8391dcd719711716492063030b55ac
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html Mailing ListThird Party Advisory
http://secunia.com/advisories/42758 Third Party Advisory
http://sota.gen.nz/compat2/ Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.36-rc4-git2.log Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2010:247 Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/09/16/1 Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2010/09/16/3 Mailing ListPatchThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2010-0842.html Third Party Advisory
http://www.ubuntu.com/usn/USN-1041-1 Third Party Advisory
http://www.vupen.com/english/advisories/2010/3117 Third Party Advisory
http://www.vupen.com/english/advisories/2011/0070 Third Party Advisory
http://www.vupen.com/english/advisories/2011/0298 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=634449 ExploitIssue TrackingThird Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=36d001c70d8a0144ac1d038f6876c484849a74de
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=eefdca043e8391dcd719711716492063030b55ac
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html Mailing ListThird Party Advisory
http://secunia.com/advisories/42758 Third Party Advisory
http://sota.gen.nz/compat2/ Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.36-rc4-git2.log Broken Link
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2010:247 Third Party Advisory
http://www.openwall.com/lists/oss-security/2010/09/16/1 Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2010/09/16/3 Mailing ListPatchThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2010-0842.html Third Party Advisory
http://www.ubuntu.com/usn/USN-1041-1 Third Party Advisory
http://www.vupen.com/english/advisories/2010/3117 Third Party Advisory
http://www.vupen.com/english/advisories/2011/0070 Third Party Advisory
http://www.vupen.com/english/advisories/2011/0298 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=634449 ExploitIssue TrackingThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2010-3301), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.