CVE-2011-1576: linux linux_kernel
Vulnerability summary
CVE-2011-1576 is a medium (CVSS 5.7) vulnerability in linux linux_kernel. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 62.6% of scored vulnerabilities.
Not severe (CVSS 5.7, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4Timeline
- 31-08-2011PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The Generic Receive Offload (GRO) implementation in the Linux kernel 2.6.18 on Red Hat Enterprise Linux 5 and 2.6.32 on Red Hat Enterprise Linux 6, as used in Red Hat Enterprise Virtualization (RHEV) Hypervisor and other products, allows remote attackers to cause a denial of service via crafted VLAN packets that are processed by the napi_reuse_skb function, leading to (1) a memory leak or (2) memory corruption, a different vulnerability than CVE-2011-1478.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.99%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.99% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, no authentication (CVSS vector). Other conditions: not stated in public data.
Redhat19 products
- enterprise_linuxEOL5 | 6.0
- kernel< 0:2.6.32-71.34.1.el6
- kernel-bootwrapper< 0:2.6.32-71.34.1.el6
- kernel-debug< 0:2.6.32-71.34.1.el6
- kernel-debug-debuginfo< 0:2.6.32-71.34.1.el6
Linux1 product
- linux_kernel2.6.18
2 vendors · 20 products
