Answer in brief
CVE-2023-54317 records a Unknown severity vulnerability in dm flakey: don't corrupt the zero page. 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.
Answer in brief
CVE-2023-54317 records a Unknown severity vulnerability in dm flakey: don't corrupt the zero page. 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.
A CVSS score is not reported in the current record. 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.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c6cd92fcabd6cc78bb1808c6a18245c842722fc1 <b7f8892f672222dbfcc721f51edc03963212b249 || >=d4c637af2e56ee1ec66ee34d0ac5a13c75911aec <98e311be44dbe31ad9c42aa067b2359bac451fda || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <3c4a56ef7c538d16c1738ba0ccea9e7146105b5a || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <f2b478228bfdd11e358c5bc197561331f5d5c394 || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <ff60b2bb680ebcaf8890814dd51084a022891469 || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <be360c83f2d810493c04f999d69ec9152981e0c0 || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <63d31617883d64b43b0e2d529f0751f40713ecae || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <f50714b57aecb6b3dc81d578e295f86d9c73f078 || 1ed7c9f45fb893877ffa7cedd7aa61beaadbb328 || >=4.14.158 <4.14.308 || >=4.19.88 <4.19.276 || >=4.9.206 <4.10 | b7f8892f672222dbfcc721f51edc03963212b249, 98e311be44dbe31ad9c42aa067b2359bac451fda, 3c4a56ef7c538d16c1738ba0ccea9e7146105b5a, f2b478228bfdd11e358c5bc197561331f5d5c394, ff60b2bb680ebcaf8890814dd51084a022891469, be360c83f2d810493c04f999d69ec9152981e0c0, 63d31617883d64b43b0e2d529f0751f40713ecae, f50714b57aecb6b3dc81d578e295f86d9c73f078, 4.14.308, 4.19.276, 4.10 |
| Linux/Linuxgeneric | 5.0 | Not reported |
Published upstream
Dec 30, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: dm flakey: don't corrupt the zero page When we need to zero some range on a block device, the function __blkdev_issue_zero_pages submits a write bio with the bio vector pointing to the zero page. If we use dm-flakey with corrupt bio writes option, it will corrupt the content of the zero page which results in crashes of various userspace programs. Glibc assumes that memory returned by mmap is zeroed and it uses it for calloc implementation; if the newly mapped memory is not zeroed, calloc will return non-zeroed memory. Fix this bug by testing if the page is equal to ZERO_PAGE(0) and avoiding the corruption in this case.
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. 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.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c6cd92fcabd6cc78bb1808c6a18245c842722fc1 <b7f8892f672222dbfcc721f51edc03963212b249 || >=d4c637af2e56ee1ec66ee34d0ac5a13c75911aec <98e311be44dbe31ad9c42aa067b2359bac451fda || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <3c4a56ef7c538d16c1738ba0ccea9e7146105b5a || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <f2b478228bfdd11e358c5bc197561331f5d5c394 || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <ff60b2bb680ebcaf8890814dd51084a022891469 || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <be360c83f2d810493c04f999d69ec9152981e0c0 || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <63d31617883d64b43b0e2d529f0751f40713ecae || >=a00f5276e26636cbf72f24f79831026d2e2868e7 <f50714b57aecb6b3dc81d578e295f86d9c73f078 || 1ed7c9f45fb893877ffa7cedd7aa61beaadbb328 || >=4.14.158 <4.14.308 || >=4.19.88 <4.19.276 || >=4.9.206 <4.10 | b7f8892f672222dbfcc721f51edc03963212b249, 98e311be44dbe31ad9c42aa067b2359bac451fda, 3c4a56ef7c538d16c1738ba0ccea9e7146105b5a, f2b478228bfdd11e358c5bc197561331f5d5c394, ff60b2bb680ebcaf8890814dd51084a022891469, be360c83f2d810493c04f999d69ec9152981e0c0, 63d31617883d64b43b0e2d529f0751f40713ecae, f50714b57aecb6b3dc81d578e295f86d9c73f078, 4.14.308, 4.19.276, 4.10 |
| Linux/Linuxgeneric | 5.0 | Not reported |
Published upstream
Dec 30, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: dm flakey: don't corrupt the zero page When we need to zero some range on a block device, the function __blkdev_issue_zero_pages submits a write bio with the bio vector pointing to the zero page. If we use dm-flakey with corrupt bio writes option, it will corrupt the content of the zero page which results in crashes of various userspace programs. Glibc assumes that memory returned by mmap is zeroed and it uses it for calloc implementation; if the newly mapped memory is not zeroed, calloc will return non-zeroed memory. Fix this bug by testing if the page is equal to ZERO_PAGE(0) and avoiding the corruption in this case.
Quoted source text, attributed separately from HOL analysis.