Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2010-3301 |
CWE-ID | CWE-269 |
Exploitation vector | Local |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
Vendor |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU91074
Risk: Low
CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2010-3301
CWE-ID:
CWE-269 - Improper Privilege Management
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges.
The vulnerability exists due to the IA32 system call emulation functionality in arch/x86/ia32/ia32entry.S on the x86_64 platform does not zero extend the %eax register after the 32-bit entry path to ptrace is used. A local user can use the %rax register to escalate privileges on the system.
Note, the vulnerability exists due to a CVE-2007-4573 regression.
MitigationInstall update from vendor's website.
Vulnerable software versionsLinux kernel: before 2.6.36 rc4
CPE2.3http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.36-rc4-git2.log
http://www.openwall.com/lists/oss-security/2010/09/16/3
http://bugzilla.redhat.com/show_bug.cgi?id=634449
http://sota.gen.nz/compat2/
http://www.openwall.com/lists/oss-security/2010/09/16/1
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
http://www.mandriva.com/security/advisories?name=MDVSA-2010:247
http://www.redhat.com/support/errata/RHSA-2010-0842.html
http://www.vupen.com/english/advisories/2010/3117
http://www.ubuntu.com/usn/USN-1041-1
http://secunia.com/advisories/42758
http://www.vupen.com/english/advisories/2011/0070
http://www.vupen.com/english/advisories/2011/0298
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
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
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.