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Fencer Intel
high 7.2

CVE-2010-3301 json

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…

published 2010-09-22 16 y ago modified 2026-06-16 4 mo ago also EUVD-2010-3299

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.7%
EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • linux linux_kernel 2.6.36
  • kernel RHEL 6 2.6.32-71.7.1.el6
  • perf RHEL 6 2.6.32-71.7.1.el6
  • kernel-kdump RHEL 6 2.6.32-71.7.1.el6
  • kernel-firmware RHEL 6 2.6.32-71.7.1.el6
  • kernel-bootwrapper RHEL 6 2.6.32-71.7.1.el6
  • kernel-debuginfo-common-i686 RHEL 6 2.6.32-71.7.1.el6
  • kernel-debuginfo-common-ppc64 RHEL 6 2.6.32-71.7.1.el6
  • kernel-debuginfo-common-s390x RHEL 6 2.6.32-71.7.1.el6

red hat advisories RHSA-2010:0842

  • kernel-source openSUSE Tumbleweed 4.8.13-1.1

opensuse advisories openSUSE-SU-2024:10128-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-3301 updated cvss 7.2

kernel: IA32 System Call Entry Point Vulnerability

  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-71.7.1.el6, kernel 2.6.32-71.7.1.el6, kernel-firmware 2.6.32-71.7.1.el6, kernel-debuginfo-common-i686 2.6.32-71.7.1.el6, kernel-debuginfo-common-x86_64 2.6.32-71.7.1.el6 Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-71.7.1.el6, kernel 2.6.32-71.7.1.el6, kernel-firmware 2.6.32-71.7.1.el6, kernel-debuginfo-common-x86_64 2.6.32-71.7.1.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-71.7.1.el6, kernel 2.6.32-71.7.1.el6, kernel-kdump 2.6.32-71.7.1.el6, kernel-firmware 2.6.32-71.7.1.el6, kernel-bootwrapper 2.6.32-71.7.1.el6, kernel-debuginfo-common-i686 2.6.32-71.7.1.el6, +3 more Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-71.7.1.el6, kernel 2.6.32-71.7.1.el6, kernel-firmware 2.6.32-71.7.1.el6, kernel-debuginfo-common-i686 2.6.32-71.7.1.el6, kernel-debuginfo-common-x86_64 2.6.32-71.7.1.el6
    fixed: vendor fix RHSA-2010:0842

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-15023)
  2. Published

Exploit prediction

3.67% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-15023 Linux Kernel < 2.6.36-rc4-git2 (x86-64) - 'ia32syscall' Emulation Privilege Escalation local, 2010-09-16
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=634449 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-269 Improper Privilege Management
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.