01 Record
CVE-2009-2691
The mm_for_maps function in fs/proc/base.c in the Linux kernel 2.6.30.4 and earlier allows local users to read (1) maps and (2) smaps files under proc/ via vectors related to ELF loading, a setuid
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The mm_for_maps function in fs/proc/base.c in the Linux kernel 2.6.30.4 and earlier allows local users to read (1) maps and (2) smaps files under proc/ via vectors related to ELF loading, a setuid
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
- 0.39% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 33.2% 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
- 2009-08-14 15:00Z17 YR AGO
- Last updated
- 2024-08-07 05:59Z2 YR AGO
- Reserved
- 2009-08-05
- Assigning CNA
- mitre
- 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
- cc120ce89965582fac6137ee23a68e049e854317e8aa7391478c5b03afc0abe9
05 Affected products
06 References
- lkml.org[linux-kernel] 20090623 [PATCH 1/1] mm_for_maps: simplify, use ptrace_may_access()http://lkml.org/lkml/2009/6/23/653
- secunia.com36265http://secunia.com/advisories/36265
- lkml.org[linux-kernel] 20090623 [PATCH 0/1] mm_for_maps: simplify, use ptrace_may_access()http://lkml.org/lkml/2009/6/23/652
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=516171
- rhn.redhat.comRHSA-2009:1540https://rhn.redhat.com/errata/RHSA-2009-1540.html
- www.securityfocus.com36019http://www.securityfocus.com/bid/36019
- git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=00f89d218523b9bf6b522349c039d5ac80aa536d
- git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=704b836cbf19e885f8366bccb2e4b0474346c02d
- www.openwall.com[oss-security] 20090811 CVE-2009-2691 kernel: /proc/$pid/maps visible during initial setuid ELF loadinghttp://www.openwall.com/lists/oss-security/2009/08/11/1
- marc.info[linux-kernel] 20090710 [PATCH 1/2] mm_for_maps: shift down_read(mmap_sem) to the callerhttp://marc.info/?l=linux-kernel&m=124718946021193
- www.redhat.comFEDORA-2009-9044https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html
- www.vupen.comADV-2009-2246http://www.vupen.com/english/advisories/2009/2246
- git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13f0feafa6b8aead57a2a328e2fca6a5828bf286
- secunia.com36501http://secunia.com/advisories/36501
- www.debian.orgDSA-2005http://www.debian.org/security/2010/dsa-2005
- exchange.xforce.ibmcloud.comlinux-kernel-mmformaps-info-disclosure(52401)https://exchange.xforce.ibmcloud.com/vulnerabilities/52401
- marc.info[linux-kernel] 20090710 [PATCH 2/2] mm_for_maps: take ->cred_guard_mutex to fix the racehttp://marc.info/?l=linux-kernel&m=124718949821250