{"id":"CVE-2026-98160","revision":"aa6e2c2cde1a48d0af4f3eef3511cced","records":[{"revision":"aa6e2c2cde1a48d0af4f3eef3511cced","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98160","aliases":[],"title":"staging: rtl8723bs: fix mismatched free of HalData in rtw_sdio_if1_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: fix mismatched free of HalData in rtw_sdio_if1_init()\n\npadapter->HalData is allocated via vzalloc(), but incorrectly freed\nusing kfree() in the rtw_sdio_if1_init() error path. Using kfree() to\nrelease this vmalloc-backed buffer can lead to memory corruption.\n\nUse rtw_hal_data_deinit() to pair the free correctly and free\nHalData with vfree().\n\nThe bug was first flagged by an experimental static analysis tool we\nare developing for kernel memory-management bugs. Manual inspection\nconfirms that the issue is still present in current mainline.\n\nAn x86_64 allyesconfig build showed no new warnings. As we do not have\nsuitable RTL8723BS SDIO hardware to test with, no runtime testing was\nable to be performed.","state":0,"publishedAt":"2026-09-25T13:06:50.521+00:00","modifiedAt":"2026-10-19T09:14:53.943+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                        \"drivers/staging/rtl8723bs/os_dep/sdio_intf.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"ff6d1ba247b5c62bdb678f1069abc86ad88a1402\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"d6158333d630a1b21d8914feaf77a6f5deb185d9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"6c017ab2b0e1b60b5be94636c94720347213d78b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"4520d673d49dabfd42c008a33889251025f7d6d5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"423574feaed192063ef0cd0813fb85425f39e539\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"737c928ff5092d7e55128a232c231248fc993777\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"911190f0b9511c3c81f2f2484414c1ae26f636b3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"264676418b726baca7be49171e306b6aa05cceb0\",\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                        \"drivers/staging/rtl8723bs/os_dep/sdio_intf.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.12\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/ff6d1ba247b5c62bdb678f1069abc86ad88a1402","https://git.kernel.org/stable/c/d6158333d630a1b21d8914feaf77a6f5deb185d9","https://git.kernel.org/stable/c/6c017ab2b0e1b60b5be94636c94720347213d78b","https://git.kernel.org/stable/c/4520d673d49dabfd42c008a33889251025f7d6d5","https://git.kernel.org/stable/c/423574feaed192063ef0cd0813fb85425f39e539","https://git.kernel.org/stable/c/737c928ff5092d7e55128a232c231248fc993777","https://git.kernel.org/stable/c/911190f0b9511c3c81f2f2484414c1ae26f636b3","https://git.kernel.org/stable/c/264676418b726baca7be49171e306b6aa05cceb0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98160","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98160","identifiers":["CVE-2026-98160"]},"retained":false,"historicalAffected":[]}],"coverage":[]}