CVE-2011-1767
net/ipv4/ip_gre.c in the Linux kernel before 2.6.34, when ip_gre is configured as a module,...
5.4 Medium
CVE-2011-1767 is a medium vulnerability (CVSS 5.4) in Linux Kernel, published May 23, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.80%, the 86th percentile. No source names a fixed version.
- Severity
- 5.4 MediumCVSS 2.0, NVD
- Exploit chance
- 2.80%EPSS, 86th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
net/ipv4/ip_gre.c in the Linux kernel before 2.6.34, when ip_gre is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.
Exploit likelihood
2.80%Up 1.6 points since Feb 4, 2022
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linux-2.6Debian:6.0 From an advisory covering 36 CVEs | before 2.6.32-34squeeze1, plus listed versions 2.6.32-302.6.32-30+m68k.52.6.32-312.6.32-31~bpo50+12.6.32-322.6.32-332.6.32-34 | 2.6.32-34squeeze1 |
linux-2.6Debian:5.0 From an advisory covering 39 CVEs | before 2.6.26-26lenny3, plus listed versions 2.6.26-132.6.26-13lenny22.6.26-13lenny2~bpo40+12.6.26-142.6.26-15 Show 34 moreShow less2.6.26-15lenny12.6.26-15lenny22.6.26-15lenny32.6.26-15~bpo40+12.6.26-15~bpo40+22.6.26-162.6.26-172.6.26-17lenny12.6.26-17lenny22.6.26-17lenny2~bpo40+12.6.26-17~bpo40+12.6.26-182.6.26-192.6.26-19lenny12.6.26-19lenny22.6.26-19~bpo40+12.6.26-202.6.26-20~bpo40+12.6.26-212.6.26-21lenny12.6.26-21lenny22.6.26-21lenny32.6.26-21lenny42.6.26-21~bpo40+12.6.26-222.6.26-22lenny12.6.26-232.6.26-242.6.26-24lenny12.6.26-252.6.26-25lenny12.6.26-262.6.26-26lenny12.6.26-26lenny2 | 2.6.26-26lenny3 |
kernelRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-bootwrapperRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-debugRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-debuginfo-common-i686Red Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-debuginfo-common-ppc64Red Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
Show 26 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-debuginfo-common-s390xRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-develRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-docRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-headersRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-kdumpRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-kdump-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-kdump-develRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
perfRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
perf-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs | before 0:2.6.32-131.6.1.el6 | 0:2.6.32-131.6.1.el6 |
kernel-rtRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-debugRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-debug-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-debug-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-debuginfo-common-x86_64Red Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-docRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-firmwareRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-traceRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-trace-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-trace-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-vanillaRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-vanilla-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
kernel-rt-vanilla-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 33 CVEs | before 0:2.6.33.9-rt31.75.el6rt | 0:2.6.33.9-rt31.75.el6rt |
What each source reports
NVD Score used
net/ipv4/ip_gre.c in the Linux kernel before 2.6.34, when ip_gre is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.
- Record
CVE-2011-1767- CVSS 2.0
- 5.4 Medium
AV:N/AC:H/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE ListNo score
net/ipv4/ip_gre.c in the Linux kernel before 2.6.34, when ip_gre is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.
- Record
CVE-2011-1767- Updated
- 2026-11-02
EUVDEUVD-2011-1766No score
net/ipv4/ip_gre.c in the Linux kernel before 2.6.34, when ip_gre is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.
- Record
EUVD-2011-1766- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-44x9-p5gj-h8x2No score
net/ipv4/ip_gre.c in the Linux kernel before 2.6.34, when ip_gre is configured as a module,...
net/ipv4/ip_gre.c in the Linux kernel before 2.6.34, when ip_gre is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.
- Record
GHSA-44x9-p5gj-h8x2- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
git.kernel.org?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2892f02712e9516d72841d5c019ed6916329794
bugzilla.redhat.com/show_bug.cgi?id=702303
openwall.com/lists/oss-security/2011/05/05/6
github.com/torvalds/linux/commit/c2892f02712e9516d72841d5c019ed6916329794
nvd.nist.gov/vuln/detail/CVE-2011-1767
Show 149 moreShow less
access.redhat.com/errata/RHSA-2011:0928
docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.1_Technical_Notes/kernel.html
security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_0928.json
cve.org/CVERecord?id=CVE-2011-1767