The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check…

Description

The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash).

Scores

EPSS (exploitation in 30 days)

0.43% · top 62% of all CVEs (3 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (20)

• 17917 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git%3Ba=blobdiff%3Bh=fcfc4568b45f3f190ba320b0d5853836921cb8bc%3Bhp=019e04ec065a55d8f28157d3a1f7ba06cafd347f%3Bhb=082d52c56f642d21b771a13221068d40915a1409%3Bf=kernel/ptrace.c (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SA:2005:067 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 19369 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 18203 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174075 (opens in a new tab)x_refsource_MISCx_transferred
• DSA-1018 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 19607 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SUSE-SA:2005:068 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git%3Ba=commit%3Bh=082d52c56f642d21b771a13221068d40915a1409 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 17761 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• MDKSA-2006:018 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• MDKSA-2006:072 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 17918 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14.2 (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-1017 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 15642 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 19374 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• USN-231-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 17787 (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-2005-3783](https://trackcve.app/badge/CVE-2005-3783.svg)](https://trackcve.app/cve/CVE-2005-3783)

Record last updated 7 Aug 2024, 23:24 UTC.