{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71234", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-02-18T14:25:13.845Z", "datePublished": "2026-02-18T14:53:18.893Z", "dateUpdated": "2026-02-18T14:53:18.893Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-02-18T14:53:18.893Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxu_sta_add\n\nThe driver does not set hw->sta_data_size, which causes mac80211 to\nallocate insufficient space for driver private station data in\n__sta_info_alloc(). When rtl8xxxu_sta_add() accesses members of\nstruct rtl8xxxu_sta_info through sta->drv_priv, this results in a\nslab-out-of-bounds write.\n\nKASAN report on RISC-V (VisionFive 2) with RTL8192EU adapter:\n\n BUG: KASAN: slab-out-of-bounds in rtl8xxxu_sta_add+0x31c/0x346\n Write of size 8 at addr ffffffd6d3e9ae88 by task kworker/u16:0/12\n\nSet hw->sta_data_size to sizeof(struct rtl8xxxu_sta_info) during\nprobe, similar to how hw->vif_data_size is configured. This ensures\nmac80211 allocates sufficient space for the driver's per-station\nprivate data.\n\nTested on StarFive VisionFive 2 v1.2A board."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/realtek/rtl8xxxu/core.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "5d810ba377eddee95d30766d360a14efbb3d1872", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "116f7bd8160c6b37d1c6939385abf90f6f6ed2f5", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9a0f3fa6ecd0c9c32dbc367a57482bbf7c7d25bf", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/realtek/rtl8xxxu/core.c"], "versions": [{"version": "6.12.72", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.11", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.1", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.72"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.18.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.19.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5d810ba377eddee95d30766d360a14efbb3d1872"}, {"url": "https://git.kernel.org/stable/c/116f7bd8160c6b37d1c6939385abf90f6f6ed2f5"}, {"url": "https://git.kernel.org/stable/c/9a0f3fa6ecd0c9c32dbc367a57482bbf7c7d25bf"}], "title": "wifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxu_sta_add", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxu_sta_add\n\nThe driver does not set hw->sta_data_size, which causes mac80211 to\nallocate insufficient space for driver private station data in\n__sta_info_alloc(). When rtl8xxxu_sta_add() accesses members of\nstruct rtl8xxxu_sta_info through sta->drv_priv, this results in a\nslab-out-of-bounds write.\n\nKASAN report on RISC-V (VisionFive 2) with RTL8192EU adapter:\n\n BUG: KASAN: slab-out-of-bounds in rtl8xxxu_sta_add+0x31c/0x346\n Write of size 8 at addr ffffffd6d3e9ae88 by task kworker/u16:0/12\n\nSet hw->sta_data_size to sizeof(struct rtl8xxxu_sta_info) during\nprobe, similar to how hw->vif_data_size is configured. This ensures\nmac80211 allocates sufficient space for the driver's per-station\nprivate data.\n\nTested on StarFive VisionFive 2 v1.2A board."}], "id": "CVE-2025-71234", "lastModified": "2026-02-18T16:22:30.190", "metrics": {}, "published": "2026-02-18T16:22:30.190", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/116f7bd8160c6b37d1c6939385abf90f6f6ed2f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5d810ba377eddee95d30766d360a14efbb3d1872"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9a0f3fa6ecd0c9c32dbc367a57482bbf7c7d25bf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}