Vulnerability Details : CVE-2010-4347
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.
Exploit prediction scoring system (EPSS) score for CVE-2010-4347
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 8 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2010-4347
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST |
CWE ids for CVE-2010-4347
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The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2010-4347
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ed3aada1bf34c5a9e98af167f125f8a740fc726a
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http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
[security-announce] SUSE Security Announcement: Linux kernel (SUSE-SA:20Third Party Advisory
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http://openwall.com/lists/oss-security/2010/12/15/7
oss-security - Re: CVE Request: local privilege escalation via /sys/kernel/debug/acpi/custom_methodMailing List;Patch;Third Party Advisory
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http://www.securityfocus.com/bid/45408
Linux Kernel 'drivers/acpi/debugfs.c' Local Privilege Escalation VulnerabilityExploit;Third Party Advisory;VDB Entry
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https://bugzilla.redhat.com/show_bug.cgi?id=663542
663542 – (CVE-2010-4347) CVE-2010-4347 kernel: local privilege escalation via /sys/kernel/debug/acpi/custom_methodIssue Tracking;Patch;Third Party Advisory
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http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
[security-announce] SUSE Security Announcement: Realtime Linux Kernel (SThird Party Advisory
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http://www.exploit-db.com/exploits/15774/
Linux Kernel < 2.6.37-rc2 - 'ACPI custom_method' Local Privilege Escalation - Linux local ExploitExploit;Third Party Advisory;VDB Entry
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http://openwall.com/lists/oss-security/2010/12/15/3
oss-security - CVE Request: local privilege escalation via /sys/kernel/debug/acpi/custom_methodMailing List;Patch;Third Party Advisory
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http://www.vupen.com/english/advisories/2011/0012
Webmail | OVH- OVHThird Party Advisory
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http://www.vupen.com/english/advisories/2011/0298
Webmail | OVH- OVHThird Party Advisory
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http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
404: File not foundBroken Link
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https://exchange.xforce.ibmcloud.com/vulnerabilities/64155
Linux Kernel debugfs.c privilege escalation CVE-2010-4347 Vulnerability ReportThird Party Advisory;VDB Entry
Products affected by CVE-2010-4347
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_real_time_extension:11:sp1:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:*