Vulnerability Details : CVE-2010-4249
The wait_for_unix_gc function in net/unix/garbage.c in the Linux kernel before 2.6.37-rc3-next-20101125 does not properly select times for garbage collection of inflight sockets, which allows local users to cause a denial of service (system hang) via crafted use of the socketpair and sendmsg system calls for SOCK_SEQPACKET sockets.
Vulnerability category: Denial of service
Threat overview for CVE-2010-4249
Top countries where our scanners detected CVE-2010-4249
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2010-4249 2,390
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2010-4249
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ % EPSS Score History EPSS FAQ
CVSS scores for CVE-2010-4249
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST |
CWE ids for CVE-2010-4249
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The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2010-4249
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http://www.vupen.com/english/advisories/2011/0168
Webmail | OVH- OVHThird Party Advisory
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http://www.vupen.com/english/advisories/2010/3321
Webmail | OVH- OVHThird Party Advisory
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http://lkml.org/lkml/2010/11/25/8
LKML: =?UTF-8?B?0JzQsNGA0Log0JrQvtGA0LXQvdCx0LXRgNCz?=: Simple kernel attack using socketpair. easy, 100% reproductiblle, works under guest. no way to protect :(Exploit;Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=656756
656756 – (CVE-2010-4249) CVE-2010-4249 kernel: unix socket local dosIssue Tracking;Patch;Third Party Advisory
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http://www.redhat.com/support/errata/RHSA-2011-0162.html
SupportThird Party Advisory
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http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=9915672d41273f5b77f1b3c29b391ffb7732b84b
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http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.37-rc3-next-20101125.bz2
404: File not foundBroken Link
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http://www.openwall.com/lists/oss-security/2010/11/24/10
oss-security - Re: CVE request: kernel: unix socket local dosExploit;Mailing List;Patch;Third Party Advisory
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http://marc.info/?l=linux-netdev&m=129059035929046&w=2
'[PATCH] af_unix: limit unix_tot_inflight' - MARCExploit;Mailing List;Patch
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http://www.securityfocus.com/archive/1/520102/100/0/threaded
SecurityFocusThird Party Advisory;VDB Entry
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http://www.vmware.com/security/advisories/VMSA-2011-0012.html
VMSA-2011-0012.3Third Party Advisory
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http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html
[SECURITY] Fedora 13 Update: kernel-2.6.34.7-66.fc13Third Party Advisory
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http://www.openwall.com/lists/oss-security/2010/11/24/2
oss-security - CVE request: kernel: unix socket local dosExploit;Mailing List;Third Party Advisory
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http://www.exploit-db.com/exploits/15622/
Linux Kernel 2.6.37 - Unix Sockets Local Denial of Service - Linux dos ExploitExploit;Third Party Advisory;VDB Entry
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http://lkml.org/lkml/2010/11/23/395
LKML: Vegard Nossum: Unix socket local DOS (OOM)Exploit;Third Party Advisory
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http://lkml.org/lkml/2010/11/23/450
LKML: Eric Dumazet: [PATCH net-next-2.6] scm: lower SCM_MAX_FDPatch;Third Party Advisory
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http://www.securityfocus.com/bid/45037
Linux Kernel Unix Sockets Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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http://www.redhat.com/support/errata/RHSA-2011-0007.html
SupportThird Party Advisory
Products affected by CVE-2010-4249
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.37:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.37:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.37:rc2:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:13:*:*:*:*:*:*:*