CVE-2022-50006: NFSv4.2 fix problems with __nfs42_ssc_open
Vulnerability summary
CVE-2022-50006 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.8% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 18-06-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu94 products
- linux< 5.15.0-53.59
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1023.27
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ ec4b0925089826af45e99cdf78a8ac84c1d005f1, < 5e49ea099850feadcbf33c74b4f514a3e8049b91 | ≥ ec4b0925089826af45e99cdf78a8ac84c1d005f1, < 5626f95356111602ad26fc05445a4d1f818a0992 | ≥ ec4b0925089826af45e99cdf78a8ac84c1d005f1, < c2a47f6903e270c308c40ad4a23c17b30a54373c | ≥ ec4b0925089826af45e99cdf78a8ac84c1d005f1, < fcfc8be1e9cf2f12b50dce8b579b3ae54443a014 | 5.5
- linux_kernel≥ 5.5, < 5.10.140 | ≥ 5.11, < 5.15.64 | ≥ 5.16, < 5.19.6 | 6.0:rc1 | 6.0:rc2
Debian1 product
- linux< 6.0.2-1
3 vendors · 97 products
