01 Record
CVE-2011-1020
The proc filesystem implementation in the Linux kernel 2.6.37 and earlier does not restrict access to the /proc directory tree of a process after this process performs an exec of a setuid program,
UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The proc filesystem implementation in the Linux kernel 2.6.37 and earlier does not restrict access to the /proc directory tree of a process after this process performs an exec of a setuid program,
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.92% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 60.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-02-28 15:00Z15 YR AGO
- Last updated
- 2024-08-06 22:14Z2 YR AGO
- Reserved
- 2011-02-14
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.1
- Document digest
- 560dba81611f7c48687fcda8cfe36a4b542933c232d8500693486f84895c77f1
05 Affected products
VendorProductVersionsPlatforms
06 References
- exchange.xforce.ibmcloud.comkernel-procpid-security-bypass(65693)https://exchange.xforce.ibmcloud.com/vulnerabilities/65693
- securityreason.com8107http://securityreason.com/securityalert/8107
- secunia.com43496http://secunia.com/advisories/43496
- openwall.com[oss-security] 20110224 CVE request: kernel: /proc/$pid/ leaks contents across setuid exechttp://openwall.com/lists/oss-security/2011/02/24/18
- lkml.org[linux-kernel] 20110208 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exechttps://lkml.org/lkml/2011/2/7/466
- openwall.com[oss-security] 20110225 Re: CVE request: kernel: /proc/$pid/ leaks contents across setuid exechttp://openwall.com/lists/oss-security/2011/02/25/2
- lkml.org[linux-kernel] 20110207 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exechttps://lkml.org/lkml/2011/2/7/414
- lkml.org[linux-kernel] 20110209 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exechttps://lkml.org/lkml/2011/2/10/21
- www.securityfocus.com46567http://www.securityfocus.com/bid/46567
- lkml.org[linux-kernel] 20110207 [SECURITY] /proc/$pid/ leaks contents across setuid exechttps://lkml.org/lkml/2011/2/7/368
- lkml.org[linux-kernel] 20110209 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exechttps://lkml.org/lkml/2011/2/9/417
- lkml.org[linux-kernel] 20110207 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exechttps://lkml.org/lkml/2011/2/7/474
- lkml.org[linux-kernel] 20110208 Re: [SECURITY] /proc/$pid/ leaks contents across setuid exechttps://lkml.org/lkml/2011/2/7/404
- seclists.org20110122 Proc filesystem and SUID-Binarieshttp://seclists.org/fulldisclosure/2011/Jan/421
- www.halfdog.nethttp://www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/