NFSv4.2 fix problems with __nfs42_ssc_open
In the Linux kernel, the following vulnerability has been resolved: NFSv4.2 fix problems with __nfs42_ssc_open A destination server while doing a COPY shouldn't accept using the passed in filehandle if its not a regular filehandle. If alloc_file_pseudo() has failed, we need to decrement a reference on the newly created inode, otherwise it leaks.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: NFSv4.2 fix problems with __nfs42_ssc_open A destination server while doing a COPY shouldn't accept using the passed in filehandle if its not a regular filehandle. If alloc_file_pseudo() has failed, we need to decrement a reference on the newly created inode, otherwise it leaks.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/5626f95356111602ad26fc05445a4d1f818a0992
- https://git.kernel.org/stable/c/5e49ea099850feadcbf33c74b4f514a3e8049b91
- https://git.kernel.org/stable/c/c2a47f6903e270c308c40ad4a23c17b30a54373c
- https://git.kernel.org/stable/c/fcfc8be1e9cf2f12b50dce8b579b3ae54443a014
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50006.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-50006