CVE-2011-0709 json
The br_mdb_ip_get function in net/bridge/br_multicast.c in the Linux kernel before 2.6.35-rc5 allows remote attackers to cause a denial of…
published 2011-02-18 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0724
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.0%
- EPSS 4.0% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
The br_mdb_ip_get function in net/bridge/br_multicast.c in the Linux kernel before 2.6.35-rc5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) via an IGMP packet, related to lack of a multicast table.
Patch / fix
Exploit prediction
4.00% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- spinics.net http://www.spinics.net/lists/netdev/msg134414.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
- Technology feeds
References
-
spinics.net
/lists/netdev/msg134444.html
mailing-list, patch, third-party-advisory
-
openwall.com
/lists/oss-security/2011/02/16/1
mailing-list, patch, third-party-advisory
-
openwall.com
/lists/oss-security/2011/02/16/8
mailing-list, patch, third-party-advisory
-
spinics.net
/lists/netdev/msg134414.html
mailing-list, exploit, third-party-advisory
-
kernel.org
/pub/linux/kernel/v2.6/testing/v2.6.35/ChangeLog-2.6.35-rc5
broken-link
-
openwall.com
/lists/oss-security/2011/02/16/14
mailing-list, third-party-advisory
-
securityfocus.com
/bid/41432
vdb-entry, third-party-advisory
- git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7f285fa78d4b81b8458f05e77fb6b46245121b4e
Sources
- CVE List CVE-2011-0709
- NVD CVE-2011-0709
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.