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CVE-2011-2723
The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4, when Generic Receive Offload (GRO) is…
- 5.7MediumCVSS base score
- 1.1%Exploitation in 30 daysEPSS · top 34% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4, when Generic Receive Offload (GRO) is enabled, resets certain fields in incorrect situations, which allows remote attackers to cause a denial of service (system crash) via crafted network traffic.
Timeline
ID reserved
By redhat
- 57 days later
· 57 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.7 | AV:A/AC:M/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 1.1% · top 34% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.
Affected products
n/a
- affected n/a
References
9
- https://bugzilla.redhat.com/show_bug.cgi?id=726552 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2011:1321 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [oss-security] 20110729 Re: CVE request: kernel: gro: Only reset frag0 when skb can be pulled (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 1025876 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=17dd759c67f21e34f2156abcf415e1f60605a188 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20110728 CVE request: kernel: gro: Only reset frag0 when skb can be pulled (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 48929 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- HPSBGN02970 (opens in a new tab)vendor-advisoryx_refsource_HPx_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)
- EUVD EUVD-2011-2701 (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
[](https://cveledger.app/cve/CVE-2011-2723)Record last updated .