CVE-2017-7482
In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field.…
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and possible privilege escalation.
Timeline
ID reserved
By redhat
- 16 months later
· 16 months later
Published
- 6 years later
· 6 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 |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | High7.1 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.47% · top 59% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
References (8)
- 99299 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5f2f97656ada8d811d3c1bef503ced266fcd53a0 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1038787 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- DSA-3927 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-3945 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7482 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20170626 CVE-2017-7482 Linux kernel: krb5 ticket decode len check. (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2019:0641 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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-2017-7482)Record last updated .