Unrated severityNVD Advisory· Published Feb 28, 2011· Updated Jun 16, 2026
CVE-2011-1020
CVE-2011-1020
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, which allows local users to obtain sensitive information or cause a denial of service via open, lseek, read, and write system calls.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3Patches
Vulnerability mechanics
References
15- seclists.org/fulldisclosure/2011/Jan/421nvdExploitMailing ListThird Party Advisory
- www.halfdog.net/Security/2011/SuidBinariesAndProcInterface/nvdExploitThird Party Advisory
- lkml.org/lkml/2011/2/7/368nvdExploitMailing ListThird Party Advisory
- openwall.com/lists/oss-security/2011/02/24/18nvdMailing ListThird Party Advisory
- openwall.com/lists/oss-security/2011/02/25/2nvdMailing ListThird Party Advisory
- secunia.com/advisories/43496nvdThird Party Advisory
- securityreason.com/securityalert/8107nvdThird Party Advisory
- www.securityfocus.com/bid/46567nvdThird Party AdvisoryVDB Entry
- exchange.xforce.ibmcloud.com/vulnerabilities/65693nvdThird Party AdvisoryVDB Entry
- lkml.org/lkml/2011/2/10/21nvdMailing ListThird Party Advisory
- lkml.org/lkml/2011/2/7/404nvdMailing ListThird Party Advisory
- lkml.org/lkml/2011/2/7/414nvdMailing ListThird Party Advisory
- lkml.org/lkml/2011/2/7/466nvdMailing ListThird Party Advisory
- lkml.org/lkml/2011/2/7/474nvdMailing ListThird Party Advisory
- lkml.org/lkml/2011/2/9/417nvdMailing ListThird Party Advisory
News mentions
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