RDMA/core: Validate the passed in fops for ib_get_ucaps()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- Fix
- Fixed in 6.18.36, 7.0.13
- 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
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ib_get_ucaps() Sashiko pointed out it is not safe to rely only on the devt because char/block alias so if the user finds a block device with the same dev_t it can masquerade as a ucap cdev fd. Test the f_ops to only accept authentic cdevs.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From 61e51682816d395307f78ae06d640089054c28ab · fixed in 96b6e98ff12d50ed5817230c6f1188e1150d225d; From 61e51682816d395307f78ae06d640089054c28ab · fixed in aa181287ebdcc53ee0ba5c2f8243e2d541ebc19b; From 61e51682816d395307f78ae06d640089054c28ab · fixed in 4a1b1ac2744694a2ecd66a84bdb1445f4ef24bee
- Linux Linux
6.15
- KernelLinux
From 6.15.0 · fixed in 6.18.36; From 6.19.0 · fixed in 7.0.13