{"cve":"CVE-2026-98885","nvd":{"published":"2026-10-23T12:18:22.213","modified":"2026-10-26T07:17:13.470","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nima: return error early if file xattr cannot be changed\n\nDuring early boot, the filesystem is read-only and any changes\nto xattrs are not allowed. This fails in case of ext4 because\nchanging xattr starts an ext4 transaction which fails with the\nfollowing warning.\n\nWARNING: fs/ext4/ext4_jbd2.c:75 at ext4_journal_check_start+0x63/0xa0 [ext4], CPU#1: systemd-sysroot/561\nCPU: 1 UID: 0 PID: 561 Comm: systemd-sysroot Not tainted 6.19.12-1-default #1 PREEMPT(voluntary) openSUSE Tumbleweed  c2dfc3c9d9f6f1233251c5d4410574fe82a348ee\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS unknown 02/02/2022\nRIP: 0010:ext4_journal_check_start+0x63/0xa0 [ext4]\nCall Trace:\n  __ext4_journal_start_sb+0x3e/0x180 [ext4 6d025f3bc52c89a957b89a89d211fadf5e9434e1]\n  ext4_xattr_set+0x104/0x150 [ext4 6d025f3bc52c89a957b89a89d211fadf5e9434e1]\n  __vfs_setxattr+0x9a/0xd0\n  __vfs_setxattr_noperm+0x76/0x1f0\n  ima_appraise_measurement+0x23e/0xe40\n  ima_d_path+0x5a/0xd0\n  process_measurement+0xb29/0xc40\n  ? copy_from_kernel_nofault+0x21/0xe0\n  ? fscrypt_file_open+0xc0/0xe0\n  ? ext4_file_open+0x60/0x490 [ext4 6d025f3bc52c89a957b89a89d211fadf5e9434e1]\n  ? bpf_prog_31efb7c56239148b_restrict_filesystems+0xab/0x126\n  ? __bpf_prog_exit+0x23/0xd0\n  ? __bpf_tramp_exit+0xd/0x50\n  ? bpf_trampoline_6442530367+0x9f/0xea\n  ima_file_check+0x57/0x80\n  security_file_post_open+0x50/0xf0\n  path_openat+0x493/0x1650\n  do_filp_open+0xc7/0x170\n\nDetect the state of the file early and return the error.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/2f29f880e98bf0087215726c45a485afd15b42cf","https://git.kernel.org/stable/c/4d98295357bcacb70874e73117e298a9d7d9b830","https://git.kernel.org/stable/c/69fc6474236d9edda6983623e4282f2bdfd8e3d8","https://git.kernel.org/stable/c/86acb68ebb220b83def94e7f4c33e24e843970e0","https://git.kernel.org/stable/c/8c77312728d07b60fc028f676e42d842df918bcd"],"products":[],"source":"nvd","synced_at":"2026-10-26T07:33:01.631659812+00:00"},"epss":{"cve":"CVE-2026-98885","score":0.00179,"percentile":0.07398,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}