{"api_version":"1","generated_at":"2026-06-27T23:32:51+00:00","cve":"CVE-2026-53112","urls":{"html":"https://cve.report/CVE-2026-53112","api":"https://cve.report/api/cve/CVE-2026-53112.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53112","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53112"},"summary":{"title":"wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet\n\nThe irq_prepare_bcn_tasklet is initialized in rtl_pci_init() and\nscheduled when RTL_IMR_BCNINT interrupt is triggered by hardware.\nBut it is never killed in rtl_pci_deinit(). When the rtlwifi card\nprobe fails or is being detached, the ieee80211_hw is deallocated.\nHowever, irq_prepare_bcn_tasklet may still be running or pending,\nleading to use-after-free when the freed ieee80211_hw is accessed\nin _rtl_pci_prepare_bcn_tasklet().\n\nSimilar to irq_tasklet, add tasklet_kill() in rtl_pci_deinit() to\nensure that irq_prepare_bcn_tasklet is properly terminated before\nthe ieee80211_hw is released.\n\nThe issue was identified through static analysis.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:25","updated_at":"2026-06-24 17:17:25"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/fac1079e0fdec6df6d7562c21941587236dc3def","name":"https://git.kernel.org/stable/c/fac1079e0fdec6df6d7562c21941587236dc3def","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e40873820c9d245ce482faa7ad514ebdb3b8d23d","name":"https://git.kernel.org/stable/c/e40873820c9d245ce482faa7ad514ebdb3b8d23d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/aa10a452e34810987fb9f4a047995b30003fb53f","name":"https://git.kernel.org/stable/c/aa10a452e34810987fb9f4a047995b30003fb53f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/008c456b76e9070979bc0e763897a5d3b0fdd4dc","name":"https://git.kernel.org/stable/c/008c456b76e9070979bc0e763897a5d3b0fdd4dc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/039cd522dc70151da13329a5e3ae19b1736f468a","name":"https://git.kernel.org/stable/c/039cd522dc70151da13329a5e3ae19b1736f468a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ae10d4a1ab6bcaa1336abb171908a9a365761d3e","name":"https://git.kernel.org/stable/c/ae10d4a1ab6bcaa1336abb171908a9a365761d3e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7731b67bd59d1284d150cbe40a47e95a10613234","name":"https://git.kernel.org/stable/c/7731b67bd59d1284d150cbe40a47e95a10613234","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3c0e8a3179e6325a7dc6ce221aef0e03d854ab4b","name":"https://git.kernel.org/stable/c/3c0e8a3179e6325a7dc6ce221aef0e03d854ab4b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53112","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53112","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0c8173385e549f95cd80c3fff5aab87b4f881d8d ae10d4a1ab6bcaa1336abb171908a9a365761d3e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0c8173385e549f95cd80c3fff5aab87b4f881d8d fac1079e0fdec6df6d7562c21941587236dc3def git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0c8173385e549f95cd80c3fff5aab87b4f881d8d e40873820c9d245ce482faa7ad514ebdb3b8d23d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0c8173385e549f95cd80c3fff5aab87b4f881d8d 008c456b76e9070979bc0e763897a5d3b0fdd4dc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.209 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.141 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.91 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53112","cve":"CVE-2026-53112","epss":"0.001640000","percentile":"0.059970000","score_date":"2026-06-26","updated_at":"2026-06-27 00:07:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/realtek/rtlwifi/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ae10d4a1ab6bcaa1336abb171908a9a365761d3e","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"fac1079e0fdec6df6d7562c21941587236dc3def","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"e40873820c9d245ce482faa7ad514ebdb3b8d23d","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"008c456b76e9070979bc0e763897a5d3b0fdd4dc","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"7731b67bd59d1284d150cbe40a47e95a10613234","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"aa10a452e34810987fb9f4a047995b30003fb53f","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"3c0e8a3179e6325a7dc6ce221aef0e03d854ab4b","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"},{"lessThan":"039cd522dc70151da13329a5e3ae19b1736f468a","status":"affected","version":"0c8173385e549f95cd80c3fff5aab87b4f881d8d","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/realtek/rtlwifi/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.38"},{"lessThan":"2.6.38","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.258","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"2.6.38","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"2.6.38","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet\n\nThe irq_prepare_bcn_tasklet is initialized in rtl_pci_init() and\nscheduled when RTL_IMR_BCNINT interrupt is triggered by hardware.\nBut it is never killed in rtl_pci_deinit(). When the rtlwifi card\nprobe fails or is being detached, the ieee80211_hw is deallocated.\nHowever, irq_prepare_bcn_tasklet may still be running or pending,\nleading to use-after-free when the freed ieee80211_hw is accessed\nin _rtl_pci_prepare_bcn_tasklet().\n\nSimilar to irq_tasklet, add tasklet_kill() in rtl_pci_deinit() to\nensure that irq_prepare_bcn_tasklet is properly terminated before\nthe ieee80211_hw is released.\n\nThe issue was identified through static analysis."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:30:45.359Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ae10d4a1ab6bcaa1336abb171908a9a365761d3e"},{"url":"https://git.kernel.org/stable/c/fac1079e0fdec6df6d7562c21941587236dc3def"},{"url":"https://git.kernel.org/stable/c/e40873820c9d245ce482faa7ad514ebdb3b8d23d"},{"url":"https://git.kernel.org/stable/c/008c456b76e9070979bc0e763897a5d3b0fdd4dc"},{"url":"https://git.kernel.org/stable/c/7731b67bd59d1284d150cbe40a47e95a10613234"},{"url":"https://git.kernel.org/stable/c/aa10a452e34810987fb9f4a047995b30003fb53f"},{"url":"https://git.kernel.org/stable/c/3c0e8a3179e6325a7dc6ce221aef0e03d854ab4b"},{"url":"https://git.kernel.org/stable/c/039cd522dc70151da13329a5e3ae19b1736f468a"}],"title":"wifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53112","datePublished":"2026-06-24T16:30:45.359Z","dateReserved":"2026-06-09T07:44:35.385Z","dateUpdated":"2026-06-24T16:30:45.359Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:25","lastModifiedDate":"2026-06-24 17:17:25","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53112","Ordinal":"1","Title":"wifi: rtlwifi: pci: fix possible use-after-free caused by unfini","CVE":"CVE-2026-53112","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53112","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtlwifi: pci: fix possible use-after-free caused by unfinished irq_prepare_bcn_tasklet\n\nThe irq_prepare_bcn_tasklet is initialized in rtl_pci_init() and\nscheduled when RTL_IMR_BCNINT interrupt is triggered by hardware.\nBut it is never killed in rtl_pci_deinit(). When the rtlwifi card\nprobe fails or is being detached, the ieee80211_hw is deallocated.\nHowever, irq_prepare_bcn_tasklet may still be running or pending,\nleading to use-after-free when the freed ieee80211_hw is accessed\nin _rtl_pci_prepare_bcn_tasklet().\n\nSimilar to irq_tasklet, add tasklet_kill() in rtl_pci_deinit() to\nensure that irq_prepare_bcn_tasklet is properly terminated before\nthe ieee80211_hw is released.\n\nThe issue was identified through static analysis.","Type":"Description","Title":"wifi: rtlwifi: pci: fix possible use-after-free caused by unfini"}]}}}