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CVE-2013-4345
Off-by-one error in the get_prng_bytes function in crypto/ansi_cprng.c in the Linux kernel through 3.11.4 makes it easier for…
Medium5.8EPSS 3.2%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Off-by-one error in the get_prng_bytes function in crypto/ansi_cprng.c in the Linux kernel through 3.11.4 makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via multiple requests for small amounts of data, leading to improper management of the state of the consumed data.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
- EPSS (exploitation in 30 days)
- 3.2% · top 12% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.8.
Weakness
Affected products
n/a
- affected n/a
References (18)
- USN-2065-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1007690 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-2110-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2013:1490 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2013:1645 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-2076-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-2158-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-2070-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-2071-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-2109-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2013:1449 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 62740 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- USN-2074-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-2068-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [linux-crypto] 20130917 [PATCH] ansi_cprng: Fix off by one error in non-block size request (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-2072-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-2075-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-2064-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_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)
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[](https://trackcve.app/cve/CVE-2013-4345)Record last updated .