{"id":"CVE-2026-99219","revision":"07ed1be0593346a88560a65133c1015c","records":[{"revision":"07ed1be0593346a88560a65133c1015c","observedAt":"2026-11-02T17:57:17.012+00:00","statement":{"source":"cve-program","id":"CVE-2026-99219","aliases":[],"title":"ftrace: Initialize modname and offset in print_rec()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Initialize modname and offset in print_rec()\n\nprint_rec() leaves 'modname' and 'offset' uninitialized and\nkallsyms_lookup() only sets them on success. When the lookup fails like\nwhen a module is being loaded or unloaded, 'modname' holds a garbage\nvalue, passes the 'if (modname)' check, and is dereferenced by\nseq_printf().\n\n  Oops: general protection fault\n  RIP: 0010:string+0x48/0xe0\n  Call Trace:\n   vsnprintf+0x1f5/0x650\n   seq_printf+0x8e/0xb0\n   print_rec+0x6c/0xc0\n   t_show+0x4c/0x440\n   seq_read_iter+0x119/0x480\n\nThis can be triggered by reading available_filter_functions while a\nmodule is being loaded or unloaded.\n\nInitialize both variables so a failed lookup skips the module name.","state":0,"publishedAt":"2026-11-02T16:06:31.529+00:00","modifiedAt":"2026-11-02T16:06:31.529+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/trace/ftrace.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"b39181f7c6907dc66ff937b74758671fa6ba430c\",\n                            \"lessThan\": \"753d5cba113a52cb155428f4ea93a4b0148c4bf1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b39181f7c6907dc66ff937b74758671fa6ba430c\",\n                            \"lessThan\": \"0e5ff07be834abaf4280e1dca7f9591e339d0960\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b39181f7c6907dc66ff937b74758671fa6ba430c\",\n                            \"lessThan\": \"e2e6fb972bfec4a0551bc7c185bdb17f78f94997\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b39181f7c6907dc66ff937b74758671fa6ba430c\",\n                            \"lessThan\": \"8932e5a4df110a25578728526bb5a3dbc849d8a2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b39181f7c6907dc66ff937b74758671fa6ba430c\",\n                            \"lessThan\": \"7271c064dd60d4456c5b90da757acd9420d06697\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b39181f7c6907dc66ff937b74758671fa6ba430c\",\n                            \"lessThan\": \"d97dba9ff13987d1fc415408557a54adde980311\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/trace/ftrace.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.19\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.19\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.191\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.161\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.115\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.60\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.14\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3.1\",\n                            \"lessThanOrEqual\": \"7.3.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/753d5cba113a52cb155428f4ea93a4b0148c4bf1","https://git.kernel.org/stable/c/0e5ff07be834abaf4280e1dca7f9591e339d0960","https://git.kernel.org/stable/c/e2e6fb972bfec4a0551bc7c185bdb17f78f94997","https://git.kernel.org/stable/c/8932e5a4df110a25578728526bb5a3dbc849d8a2","https://git.kernel.org/stable/c/7271c064dd60d4456c5b90da757acd9420d06697","https://git.kernel.org/stable/c/d97dba9ff13987d1fc415408557a54adde980311"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-99219","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-99219","identifiers":["CVE-2026-99219"]},"retained":false,"historicalAffected":[]}],"coverage":[]}