CVE catalog
CVE-2011-2723
linux-2.6 - several issues
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.11% · Oct 25, 2026
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. kernel: gro: only reset frag0 when skb can be pulled This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not backport the upstream commit a5b1cf28 that introduced this issue. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1386.html, https://rhn.redhat.com/errata/RHSA-2011-1350.html, and https://rhn.redhat.com/errata/RHSA-2012-0010.html. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | linux-2.6 | 6.0 | 2.6.32-30 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-30+m68k.5 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-31 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-31~bpo50+1 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-32 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-33 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-34 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-34squeeze1 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-35 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-35~bpo50+1 | vulnerable |
| Debian | linux-2.6 | 6.0 | 2.6.32-35squeeze1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | linux-2.6 | deb | 6.0 | 2.6.32-35squeeze1 | Not reported | DSA-2303-1 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: