{"id":"CVE-2025-68820","title":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: xattr: fix null pointer deref in ext4_raw_inode()\n\nIf ext4_get_inode_loc() fails (e.g","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: xattr: fix null pointer deref in ext4_raw_inode()\n\nIf ext4_get_inode_loc() fails (e.g. if it returns -EFSCORRUPTED),\niloc.bh will remain set to NULL. Since ext4_x…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 76c365fa7e2a8bb85f0190cdb4b8cdc99b2fdce3 < b72a3476f0c97d02f63a6e9fff127348d55436f6","Linux >= f737418b6de31c962c7192777ee4018906975383 < 3d8d22e75f7edfa0b30ff27330fd6a1285d594c3","Linux >= cf9291a3449b04688b81e32621e88de8f4314b54 < 190ad0f22ba49f1101182b80e3af50ca2ddfe72f","Linux >= 362a90cecd36e8a5c415966d0b75b04a0270e4dd < b5d942922182e82724b7152cb998f540132885ec","Linux >= eb59cc31b6ea076021d14b04e7faab1636b87d0e < 5b154e901fda2e98570b8f426a481f5740097dc2","Linux >= c8e008b60492cf6fd31ef127aea6d02fd3d314cd < ce5f54c065a4a7cbb92787f4f140917112350142","Linux >= c8e008b60492cf6fd31ef127aea6d02fd3d314cd < b97cb7d6a051aa6ebd57906df0e26e9e36c26d14","Linux 6aff941cb0f7d0c897c3698ad2e30672709135e3","Linux 3bc6317033f365ce578eb6039445fb66162722fd","Linux 836e625b03a666cf93ff5be328c8cb30336db872","Linux >= 5.10.237 < 5.10.248","Linux >= 5.15.181 < 5.15.198","Linux >= 6.1.135 < 6.1.160","Linux >= 6.6.88 < 6.6.120","Linux >= 6.12.24 < 6.12.64","Linux >= 5.4.293 < 5.5","Linux >= 6.13.12 < 6.14","Linux >= 6.14.3 < 6.15","Linux 6.15"],"published":"2026-01-13","updated":"2026-10-15","sourceUpdated":"2026-10-15T02:18:15.150","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-68820","references":[{"url":"https://git.kernel.org/stable/c/190ad0f22ba49f1101182b80e3af50ca2ddfe72f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3d8d22e75f7edfa0b30ff27330fd6a1285d594c3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5b154e901fda2e98570b8f426a481f5740097dc2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b5d942922182e82724b7152cb998f540132885ec","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b72a3476f0c97d02f63a6e9fff127348d55436f6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b97cb7d6a051aa6ebd57906df0e26e9e36c26d14","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ce5f54c065a4a7cbb92787f4f140917112350142","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://cert-portal.siemens.com/productcert/html/ssa-457936.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00235,"epssPercentile":0.14305,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-16T16:55:32.991979Z"},"ingestedAt":"2026-09-08T15:33:26.995Z","slug":"CVE-2025-68820","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\next4: xattr: fix null pointer deref in ext4_raw_inode()\n\nIf ext4_get_inode_loc() fails (e.g. if it returns -EFSCORRUPTED),\niloc.bh will remain set to NULL. Since ext4_xattr_inode_dec_ref_all()\nlacks error checking, this will lead to a null pointer dereference\nin ext4_raw_inode(), called right after ext4_get_inode_loc().\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}