Answer in brief
CVE-2024-49968 records a Medium severity (CVSS 5.5) vulnerability in ext4: filesystems without casefold feature cannot be mounted with siphash. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic), Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (generic) and additional mapped packages. 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-2024-49968 records a Medium severity (CVSS 5.5) vulnerability in ext4: filesystems without casefold feature cannot be mounted with siphash. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic), Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (generic) and additional mapped packages. 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 5.5. 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), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic), Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=471fbbea7ff7061b2d6474665cb5a2ceb4fd6500 <86b81d4eab1cd4c56f7447896232cf33472c2395 || >=471fbbea7ff7061b2d6474665cb5a2ceb4fd6500 <11bd1c279bac701ba91119875796ffff3b98250e || >=471fbbea7ff7061b2d6474665cb5a2ceb4fd6500 <52c4538a92da6f3242d4140c03ddc5ee71b39ba8 || >=471fbbea7ff7061b2d6474665cb5a2ceb4fd6500 <e1373903db6c4ac994de0d18076280ad88e12dee || >=471fbbea7ff7061b2d6474665cb5a2ceb4fd6500 <985b67cd86392310d9e9326de941c22fc9340eec | 86b81d4eab1cd4c56f7447896232cf33472c2395, 11bd1c279bac701ba91119875796ffff3b98250e, 52c4538a92da6f3242d4140c03ddc5ee71b39ba8, e1373903db6c4ac994de0d18076280ad88e12dee, 985b67cd86392310d9e9326de941c22fc9340eec |
| Linux/Linuxgeneric | 5.13 | Not reported |
| Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
| Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
| Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
Published upstream
Oct 21, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 14, 2026
In the Linux kernel, the following vulnerability has been resolved: ext4: filesystems without casefold feature cannot be mounted with siphash When mounting the ext4 filesystem, if the default hash version is set to DX_HASH_SIPHASH but the casefold feature is not set, exit the mounting.
Quoted source text, attributed separately from HOL analysis.
CVSS is 5.5. 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), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic), Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=471fbbea7ff7061b2d6474665cb5a2ceb4fd6500 <86b81d4eab1cd4c56f7447896232cf33472c2395 || >=471fbbea7ff7061b2d6474665cb5a2ceb4fd6500 <11bd1c279bac701ba91119875796ffff3b98250e || >=471fbbea7ff7061b2d6474665cb5a2ceb4fd6500 <52c4538a92da6f3242d4140c03ddc5ee71b39ba8 || >=471fbbea7ff7061b2d6474665cb5a2ceb4fd6500 <e1373903db6c4ac994de0d18076280ad88e12dee || >=471fbbea7ff7061b2d6474665cb5a2ceb4fd6500 <985b67cd86392310d9e9326de941c22fc9340eec | 86b81d4eab1cd4c56f7447896232cf33472c2395, 11bd1c279bac701ba91119875796ffff3b98250e, 52c4538a92da6f3242d4140c03ddc5ee71b39ba8, e1373903db6c4ac994de0d18076280ad88e12dee, 985b67cd86392310d9e9326de941c22fc9340eec |
| Linux/Linuxgeneric | 5.13 | Not reported |
| Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
| Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
| Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric | >=V3.1.6 <* | * |
Published upstream
Oct 21, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 14, 2026
In the Linux kernel, the following vulnerability has been resolved: ext4: filesystems without casefold feature cannot be mounted with siphash When mounting the ext4 filesystem, if the default hash version is set to DX_HASH_SIPHASH but the casefold feature is not set, exit the mounting.
Quoted source text, attributed separately from HOL analysis.