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Vulnerability record · public intelligence
CVE-2011-2723
UNKNOWN

CVE-2011-2723

Published Sep 6, 2011 · Updated Oct 23, 2026

Severity · CVSSUNKNOWN · 5.7
Known exploitationNot listed
EPSS / likelihood1.11%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Oct 23, 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.

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVENVDEPSS
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. bugzilla.redhat.com ↗
  2. RHSA-2011:1321 ↗
  3. [oss-security] 20110729 Re: CVE request: kernel: gro: Only reset frag0 when skb can be pulled ↗
  4. 1025876 ↗
  5. git.kernel.org ↗
  6. [oss-security] 20110728 CVE request: kernel: gro: Only reset frag0 when skb can be pulled ↗
  7. www.kernel.org ↗
  8. 48929 ↗
  9. HPSBGN02970 ↗

Record history

Published Sep 6, 2011 · Last refreshed Oct 23, 2026

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