{"id":"CVE-2024-49968","title":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: filesystems without casefold feature cannot be mounted with siphash\n\nWhen mounting the ext4 filesystem, if the default hash version is set to\nDX_HASH_SIPHASH but …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: filesystems without casefold feature cannot be mounted with siphash\n\nWhen mounting the ext4 filesystem, if the default hash version is set to\nDX_HASH_SIPHASH but …","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 6.11.3"],"patched":["linux_kernel 6.11.3"],"published":"2024-10-21","updated":"2026-07-14","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-49968","references":[{"url":"https://git.kernel.org/stable/c/11bd1c279bac701ba91119875796ffff3b98250e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/52c4538a92da6f3242d4140c03ddc5ee71b39ba8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/86b81d4eab1cd4c56f7447896232cf33472c2395","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/985b67cd86392310d9e9326de941c22fc9340eec","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e1373903db6c4ac994de0d18076280ad88e12dee","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-49968.json"},{"url":"https://access.redhat.com/security/cve/CVE-2024-49968"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2320475"},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-49968"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-49968"},{"url":"https://lore.kernel.org/linux-cve-announce/2024102133-CVE-2024-49968-ce10@gregkh/T"},{"url":"https://access.redhat.com/errata/RHSA-2025:6966"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00245,"epssPercentile":0.1602,"ingestedAt":"2026-07-14T13:36:54.577Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-10-22T13:34:11.259486Z"},"cwe":["CWE-20"],"slug":"CVE-2024-49968","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\next4: filesystems without casefold feature cannot be mounted with siphash\n\nWhen mounting the ext4 filesystem, if the default hash version is set to\nDX_HASH_SIPHASH but the casefold feature is not set, exit the mounting.\n\n## Affected\n\n- `linux_kernel < 6.11.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.11.3`\n\n## Vendor advisories\n\n- **RHSA-2025:6966** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9), Red Hat Enterprise Linux Real Time for NFV (v. 9), Red Hat Enterprise Linux Real Time (v. 9) · released 2025-05-13 · [advisory](https://access.redhat.com/errata/RHSA-2025:6966)\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9 · updated 2026-09-13 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-49968.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}