Race condition in Linux kernel 2.6.17.4 and earlier allows local users to gain root privileges by using prctl with PR_SET_DUMPABLE in a…

Description

Race condition in Linux kernel 2.6.17.4 and earlier allows local users to gain root privileges by using prctl with PR_SET_DUMPABLE in a way that causes /proc/self/environ to become setuid root.

Scores

EPSS (exploitation in 30 days)

2.2% · top 17% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.2.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (29)

• linux-proc-race-condition(27790) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• ADV-2006-2816 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• SUSE-SR:2006:017 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• SUSE-SA:2006:042 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 21123 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2006:0617 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• 21057 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:10060 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 21605 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SA:2006:047 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 21073 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.17.5 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=blobdiff%3Bh=0cb8f20d000c25118947fcafa81606300ced35f8%3Bhp=243a94af0427b2630fb85f489a5419410dac3bfc%3Bhb=18b0bbd8ca6d3cb90425aa0d77b99a762c6d6de3%3Bf=fs/proc/base.c (opens in a new tab)x_refsource_CONFIRMx_transferred
• 22174 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 27120 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• MDKSA-2006:124 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 20060714 Linux kernel 0day - dynamite inside, don't burn your fingers (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• USN-319-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• DSA-1111 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 21498 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://support.avaya.com/elmodocs2/security/ASA-2006-203.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
• 21041 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=198973 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 18992 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• USN-319-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 21119 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SA:2006:049 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 20060717 rPSA-2006-0130-1 kernel (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 21179 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2006-3626](https://trackcve.app/badge/CVE-2006-3626.svg)](https://trackcve.app/cve/CVE-2006-3626)

Record last updated 7 Aug 2024, 18:39 UTC.