CVE-2011-1171
net/ipv4/netfilter/ip_tables.c in the IPv4 implementation in the Linux kernel before 2.6.39 does not place the expected '\0' character at…
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
net/ipv4/netfilter/ip_tables.c in the IPv4 implementation in the Linux kernel before 2.6.39 does not place the expected '\0' character at the end of string data in the values of certain structure members, which allows local users to obtain potentially sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability to issue a crafted request, and then reading the argument to the resulting modprobe process.
Timeline
ID reserved
By redhat
- 4 months later
· 4 months later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.38% · top 68% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
Affected products
n/a
- affected n/a
References (11)
- 8283 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- [oss-security] 20110318 CVE request: kernel: netfilter & econet infoleaks (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=689327 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [linux-kernel] 20110310 [PATCH] ipv4: netfilter: ip_tables: fix infoleak to userspace (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2011:0833 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://downloads.avaya.com/css/P8/documents/100145416 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=78b79876761b86653df89c48a7010b5cbd41a84a (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20110321 Re: CVE request: kernel: netfilter & econet infoleaks (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 8278 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- [oss-security] 20110321 Re: CVE request: kernel: netfilter & econet infoleaks (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-1171)Record last updated .