CVE-2021-47474
comedi: vmk80xx: fix bulk-buffer overflow
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doing bulk transfers.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.31
References 9
git.kernel.org
- stable/c/e0e6a63fd97ad95fe05dfd77268a1952551e11a7
- stable/c/7cfb35db607760698d299fd1cf7402dfa8f09973
- stable/c/0866dcaa828c21bc2f94dac00e086078f11b5772
- stable/c/063f576c43d589a4c153554b681d32b3f8317c7b
- stable/c/1ae4715121a57bc6fa29fd992127b01907f2f993
- stable/c/b7fd7f3387f070215e6be341e68eb5c087eeecc0
- stable/c/7b0e356189327287d0eb98ec081bd6dd97068cd3
- stable/c/47b4636ebdbeba2044b3db937c4d2b6a4fe3d0f2
- stable/c/78cdfd62bd54af615fba9e3ca1ba35de39d3871d