CVE-2011-0521
The dvb_ca_ioctl function in drivers/media/dvb/ttpci/av7110_ca.c in the Linux kernel before 2.6.38-rc2 does not check the sign of a certain integer field, which allows local users to cause a denial of service (memory corruption) or possibly have…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The dvb_ca_ioctl function in drivers/media/dvb/ttpci/av7110_ca.c in the Linux kernel before 2.6.38-rc2 does not check the sign of a certain integer field, which allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a negative value.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cb26a24ee9706473f31d34cc259f4dcf45cd0644
- http://openwall.com/lists/oss-security/2011/01/24/2Mailing List, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2011/01/25/2Mailing List, Patch, Third Party Advisory
- http://secunia.com/advisories/43009Third Party Advisory
- http://secunia.com/advisories/46397Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc2Broken Link
- http://www.securityfocus.com/archive/1/520102/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/45986Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1025195Third Party Advisory, VDB Entry
- http://www.vmware.com/security/advisories/VMSA-2011-0012.htmlThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64988Third Party Advisory, VDB Entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cb26a24ee9706473f31d34cc259f4dcf45cd0644
- http://openwall.com/lists/oss-security/2011/01/24/2Mailing List, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2011/01/25/2Mailing List, Patch, Third Party Advisory
- http://secunia.com/advisories/43009Third Party Advisory
- http://secunia.com/advisories/46397Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc2Broken Link
- http://www.securityfocus.com/archive/1/520102/100/0/threadedThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/45986Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1025195Third Party Advisory, VDB Entry
- http://www.vmware.com/security/advisories/VMSA-2011-0012.htmlThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64988Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.