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CVE-2011-4604

21
FAUCET Score

CVE-2011-4604 describes a memory corruption vulnerability in the bat_socket_read function of the Linux kernel's batman-adv module (net/batman-adv/icmp_socket.c) before version 3.3. This flaw allows remote attackers to trigger a denial of service or potentially other unspecified impacts through a specially crafted batman-adv ICMP packet. With a CVSS score of 6.8, this vulnerability is rated as medium severity, indicating a network-based attack with medium complexity that could lead to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.2.46CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:x86:*
3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.99%
Probability of exploitation in next 30 days
EPSS Percentile
85.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0299 is in the 79th percentile among its peer group of 19,954 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2011-4604Low

kernel: bat_socket_read memory corruption

Dec 10, 2011

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2013-06/msg00005.html
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/b5a1eeef04cc7859f34dec9b72ea1b28e4aba07c
ExploitPatch
lists.open-mesh.org / pipermail/b.a.t.m.a.n/2011-December/005904.html
kernel.org / pub/linux/kernel/v3.x/patch-3.3.bz2
Patch
openwall.com / lists/oss-security/2011/12/12/1