CVE-2010-4347 EXPLOIT
6.9
MEDIUM · CVSS 2.0 · EPSS 2.2% (pctl 82)
Patch early
A public exploit exists.
Description
The ACPI subsystem in the Linux kernel before 2.6.36.2 uses 0222 permissions for the debugfs custom_method file, which allows local users to gain privileges by placing a custom ACPI method in the ACPI interpreter tables, related to the acpi_debugfs_init function in drivers/acpi/debugfs.c.
Scoring
| CVSS | 6.9 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:L/AC:M/Au:N/C:C/I:C/A:C |
| EPSS | 2.2% — more likely to be exploited than 82% of all CVEs |
| Weakness | CWE-269 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2010-12-22 |
| Last modified | 2026-06-16 |
Affected (3)
| Vendor | Product |
|---|---|
| linux | linux kernel |
| opensuse | opensuse |
| suse | linux enterprise real time extension |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Linux Kernel < 2.6.37-rc2 - 'ACPI custom_method' Local Privilege Escalation | 2010-12-18 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ed3aada1bf34c5a9e98af167f125f8a740fc726a
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://openwall.com/lists/oss-security/2010/12/15/3
- http://openwall.com/lists/oss-security/2010/12/15/7
- http://secunia.com/advisories/42778
- http://www.exploit-db.com/exploits/15774/
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
- http://www.securityfocus.com/bid/45408
- http://www.vupen.com/english/advisories/2011/0012
- http://www.vupen.com/english/advisories/2011/0298
- https://bugzilla.redhat.com/show_bug.cgi?id=663542
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64155
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ed3aada1bf34c5a9e98af167f125f8a740fc726a
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://openwall.com/lists/oss-security/2010/12/15/3
- http://openwall.com/lists/oss-security/2010/12/15/7
- http://secunia.com/advisories/42778
- http://www.exploit-db.com/exploits/15774/
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