{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2024-56772", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-56772", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2025-01-08T17:49:11.544Z", "updatedAt": "2026-05-11T20:58:46.489Z", "importedAt": "2026-10-24T01:57:20.494Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "kunit: string-stream: Fix a UAF bug in kunit_init_suite()", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nkunit: string-stream: Fix a UAF bug in kunit_init_suite()\n\nIn kunit_debugfs_create_suite(), if alloc_string_stream() fails in the\nkunit_suite_for_each_test_case() loop, the \"suite->log = stream\"\nhas assigned before, and the error path only free the suite->log's stream\nmemory but not set it to NULL, so the later string_stream_clear() of\nsuite->log in kunit_init_suite() will cause below UAF bug.\n\nSet stream pointer to NULL after free to fix it.\n\n\tUnable to handle kernel paging request at virtual address 006440150000030d\n\tMem abort info:\n\t ESR = 0x0000000096000004\n\t EC = 0x25: DABT (current EL), IL = 32 bits\n\t SET = 0, FnV = 0\n\t EA = 0, S1PTW = 0\n\t FSC = 0x04: level 0 translation fault\n\tData abort info:\n\t ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n\t CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n\t GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n\t[006440150000030d] address between user and kernel address ranges\n\tInternal error: Oops: 0000000096000004 [#1] PREEMPT SMP\n\tDumping ftrace buffer:\n\t (ftrace buffer empty)\n\tModules linked in: iio_test_gts industrialio_gts_helper cfg80211 rfkill ipv6 [last unloaded: iio_test_gts]\n\tCPU: 5 UID: 0 PID: 6253 Comm: modprobe Tainted: G B W N 6.12.0-rc4+ #458\n\tTainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST\n\tHardware name: linux,dummy-virt (DT)\n\tpstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n\tpc : string_stream_clear+0x54/0x1ac\n\tlr : string_stream_clear+0x1a8/0x1ac\n\tsp : ffffffc080b47410\n\tx29: ffffffc080b47410 x28: 006440550000030d x27: ffffff80c96b5e98\n\tx26: ffffff80c96b5e80 x25: ffffffe461b3f6c0 x24: 0000000000000003\n\tx23: ffffff80c96b5e88 x22: 1ffffff019cdf4fc x21: dfffffc000000000\n\tx20: ffffff80ce6fa7e0 x19: 032202a80000186d x18: 0000000000001840\n\tx17: 0000000000000000 x16: 0000000000000000 x15: ffffffe45c355cb4\n\tx14: ffffffe45c35589c x13: ffffffe45c03da78 x12: ffffffb810168e75\n\tx11: 1ffffff810168e74 x10: ffffffb810168e74 x9 : dfffffc000000000\n\tx8 : 0000000000000004 x7 : 0000000000000003 x6 : 0000000000000001\n\tx5 : ffffffc080b473a0 x4 : 0000000000000000 x3 : 0000000000000000\n\tx2 : 0000000000000001 x1 : ffffffe462fbf620 x0 : dfffffc000000000\n\tCall trace:\n\t string_stream_clear+0x54/0x1ac\n\t __kunit_test_suites_init+0x108/0x1d8\n\t kunit_exec_run_tests+0xb8/0x100\n\t kunit_module_notify+0x400/0x55c\n\t notifier_call_chain+0xfc/0x3b4\n\t blocking_notifier_call_chain+0x68/0x9c\n\t do_init_module+0x24c/0x5c8\n\t load_module+0x4acc/0x4e90\n\t init_module_from_file+0xd4/0x128\n\t idempotent_init_module+0x2d4/0x57c\n\t __arm64_sys_finit_module+0xac/0x100\n\t invoke_syscall+0x6c/0x258\n\t el0_svc_common.constprop.0+0x160/0x22c\n\t do_el0_svc+0x44/0x5c\n\t el0_svc+0x48/0xb8\n\t el0t_64_sync_handler+0x13c/0x158\n\t el0t_64_sync+0x190/0x194\n\tCode: f9400753 d2dff800 f2fbffe0 d343fe7c (38e06b80)\n\t---[ end trace 0000000000000000 ]---\n\tKernel panic - not syncing: Oops: Fatal exception", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "a3fdf784780ccb0008d630e8722d1389c49c7499", "status": "affected", "versionType": "git", "lessThan": "3213b92754b94dec6836e8b4d6ec7d224a805b61" }, { "version": "a3fdf784780ccb0008d630e8722d1389c49c7499", "status": "affected", "versionType": "git", "lessThan": "39e21403c978862846fa68b7f6d06f9cca235194" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "6.7", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "6.7" }, { "version": "6.12.4", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.13", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }