Security readout for executives and security teams
CVE-2011-1020 is a Linux kernel proc filesystem flaw. On Linux 2.6.37 and earlier, a local user could keep access to process information after a program switches into a higher-privilege setuid context. The documented impact is sensitive information exposure or denial of service. Exposure is most likely on systems still running Linux kernel 2.6.37 or earlier with setuid programs. The bundle does not identify specific distributions, packages, appliances, or fixed versions beyond the kernel version boundary. Treat as a legacy-platform risk. It is not marked as actively exploited, but it can undermine privilege boundaries on old Linux systems. Prioritize remediation where legacy kernels support multi-user access or sensitive workloads. Mitigation focus: Identify systems running Linux kernel 2.6.37 or earlier.; Check the operating system or kernel vendor advisory for the supported fix.; Upgrade affected kernels through normal vendor-supported channels..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2011-1020 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- kernel-procpid-security-bypass(65693)CVE reference · vdb-entry, x_refsource_XF
- [linux-kernel] 20110208 Re: [SECURITY] /proc/$pid/ leaks contents across setuid execCVE reference · mailing-list, x_refsource_MLIST
- [linux-kernel] 20110207 Re: [SECURITY] /proc/$pid/ leaks contents across setuid execCVE reference · mailing-list, x_refsource_MLIST
- [linux-kernel] 20110209 Re: [SECURITY] /proc/$pid/ leaks contents across setuid execCVE reference · mailing-list, x_refsource_MLIST
- [linux-kernel] 20110207 [SECURITY] /proc/$pid/ leaks contents across setuid execCVE reference · mailing-list, x_refsource_MLIST
- [linux-kernel] 20110209 Re: [SECURITY] /proc/$pid/ leaks contents across setuid execCVE reference · mailing-list, x_refsource_MLIST
- [linux-kernel] 20110207 Re: [SECURITY] /proc/$pid/ leaks contents across setuid execCVE reference · mailing-list, x_refsource_MLIST
- [linux-kernel] 20110208 Re: [SECURITY] /proc/$pid/ leaks contents across setuid execCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
