Answer in brief
CVE-2022-49280 records a Critical severity (CVSS 9.8) vulnerability in NFSD: prevent underflow in nfssvc_decode_writeargs(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=a51b5b737a0be93fae6ea2a18df03ab2359a3f4b <614a61e1592051cc42d3c38f899c9f7bdaad8a1d || >=a51b5b737a0be93fae6ea2a18df03ab2359a3f4b <2764af8ce0bf03cc43ee4a11897cab96bde6caae || >=a51b5b737a0be93fae6ea2a18df03ab2359a3f4b <413d8fefafe531a9442bb623e3fe292a38f88d65 || >=a51b5b737a0be93fae6ea2a18df03ab2359a3f4b <184416d4b98509fb4c3d8fc3d6dc1437896cc159 | 614a61e1592051cc42d3c38f899c9f7bdaad8a1d, 2764af8ce0bf03cc43ee4a11897cab96bde6caae, 413d8fefafe531a9442bb623e3fe292a38f88d65, 184416d4b98509fb4c3d8fc3d6dc1437896cc159 |
| Linux/Linuxgeneric | 5.12 | Not reported |
Published upstream
Feb 26, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to prevent this issue.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2022-49280 records a Critical severity (CVSS 9.8) vulnerability in NFSD: prevent underflow in nfssvc_decode_writeargs(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=a51b5b737a0be93fae6ea2a18df03ab2359a3f4b <614a61e1592051cc42d3c38f899c9f7bdaad8a1d || >=a51b5b737a0be93fae6ea2a18df03ab2359a3f4b <2764af8ce0bf03cc43ee4a11897cab96bde6caae || >=a51b5b737a0be93fae6ea2a18df03ab2359a3f4b <413d8fefafe531a9442bb623e3fe292a38f88d65 || >=a51b5b737a0be93fae6ea2a18df03ab2359a3f4b <184416d4b98509fb4c3d8fc3d6dc1437896cc159 | 614a61e1592051cc42d3c38f899c9f7bdaad8a1d, 2764af8ce0bf03cc43ee4a11897cab96bde6caae, 413d8fefafe531a9442bb623e3fe292a38f88d65, 184416d4b98509fb4c3d8fc3d6dc1437896cc159 |
| Linux/Linuxgeneric | 5.12 | Not reported |
Published upstream
Feb 26, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to prevent this issue.
Quoted source text, attributed separately from HOL analysis.