SB2011021805 - Information disclosure in Linux kernel
Published: February 18, 2011 Updated: August 11, 2020
Security Bulletin ID
SB2011021805
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2011-0710)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The task_show_regs function in arch/s390/kernel/traps.c in the Linux kernel before 2.6.38-rc4-next-20110216 on the s390 platform allows local users to obtain the values of the registers of an arbitrary process by reading a status file under /proc/.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=261cd298a8c363d7985e3482946edb4bfedacf98
- http://openwall.com/lists/oss-security/2011/02/16/3
- http://openwall.com/lists/oss-security/2011/02/16/9
- http://secunia.com/advisories/46397
- http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.38-rc4-next-20110216.bz2
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.securityfocus.com/bid/46421
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- https://bugzilla.redhat.com/show_bug.cgi?id=677850
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65464