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CVE-2007-5501
The tcp_sacktag_write_queue function in net/ipv4/tcp_input.c in Linux kernel 2.6.21 through 2.6.23.7, and 2.6.24-rc through 2.6.24-rc2,…
High7.8EPSS 3.8%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The tcp_sacktag_write_queue function in net/ipv4/tcp_input.c in Linux kernel 2.6.21 through 2.6.23.7, and 2.6.24-rc through 2.6.24-rc2, allows remote attackers to cause a denial of service (crash) via crafted ACK responses that trigger a NULL pointer dereference.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 3.8% · top 9.9% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (24)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=96a2d41a3e495734b63bff4e5dd0112741b93b38 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [linux-kernel] 20071116 Linux 2.6.23.8 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 27922 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 27703 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2007-3751 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 27919 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 28706 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SA:2008:013 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- linux-kernel-tcpsacktagwritequeue-dos(38548) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 27664 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 26474 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MDVSA-2008:044 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- SUSE-SA:2007:063 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 29245 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://issues.rpath.com/browse/RPL-1965 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-558-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- ADV-2007-3902 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc3 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-574-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23.8 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 28170 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2007-759 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2007-3837 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 27888 (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)
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[](https://trackcve.app/cve/CVE-2007-5501)Record last updated .