{"id":"CVE-2023-53226","state":"PUBLISHED","title":"wifi: mwifiex: Fix OOB and integer underflow when rx packets","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: Fix OOB and integer underflow when rx packets\n\nMake sure mwifiex_process_mgmt_packet,\nmwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet,\nmwifiex_uap_queue_bridged_pkt and mwifiex_process_rx_packet\nnot out-of-bounds access the skb->data buffer.","publishedAt":"2025-09-15T14:21:55.884Z","updatedAt":"2026-08-05T09:13:11.801Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"Linux"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"f517c97fc129995de77dd06aa5a74f909ebf568f","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"8824aa4ab62c800f75d96f48e1883a5f56ec5869","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"29eca8b7863d1d7de6c5b746b374e3487d14f154","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"3fe3923d092e22d87d1ed03e2729db444b8c1331","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"7c54b6fc39eb1aac51cf2945f8a25e2a47fdca02","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"3975e21d4d01efaf0296ded40d11c06589c49245","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"a7300e3800e9fd5405e88ce67709c1a97783b9c8","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"650d1bc02fba7b42f476d8b6643324abac5921ed","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"11958528161731c58e105b501ed60b83a91ea941","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/sta_rx.c","drivers/net/wireless/marvell/mwifiex/uap_txrx.c","drivers/net/wireless/marvell/mwifiex/util.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.7","versionType":"semver"},{"version":"4.14.326","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.195","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.132","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.53","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.16","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/sta_rx.c","drivers/net/wireless/marvell/mwifiex/uap_txrx.c","drivers/net/wireless/marvell/mwifiex/util.c"]}],"references":["https://git.kernel.org/stable/c/f517c97fc129995de77dd06aa5a74f909ebf568f","https://git.kernel.org/stable/c/8824aa4ab62c800f75d96f48e1883a5f56ec5869","https://git.kernel.org/stable/c/29eca8b7863d1d7de6c5b746b374e3487d14f154","https://git.kernel.org/stable/c/3fe3923d092e22d87d1ed03e2729db444b8c1331","https://git.kernel.org/stable/c/7c54b6fc39eb1aac51cf2945f8a25e2a47fdca02","https://git.kernel.org/stable/c/3975e21d4d01efaf0296ded40d11c06589c49245","https://git.kernel.org/stable/c/a7300e3800e9fd5405e88ce67709c1a97783b9c8","https://git.kernel.org/stable/c/650d1bc02fba7b42f476d8b6643324abac5921ed","https://git.kernel.org/stable/c/11958528161731c58e105b501ed60b83a91ea941"],"weaknesses":["CWE-191"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53226.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53226","state":"PUBLISHED","datePublished":"2025-09-15T14:21:55.884Z","dateUpdated":"2026-08-05T09:13:11.801Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-15T14:19:21.846Z"},"containers":{"cna":{"title":"wifi: mwifiex: Fix OOB and integer underflow when rx packets","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: Fix OOB and integer underflow when rx packets\n\nMake sure mwifiex_process_mgmt_packet,\nmwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet,\nmwifiex_uap_queue_bridged_pkt and mwifiex_process_rx_packet\nnot out-of-bounds access the skb->data buffer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"f517c97fc129995de77dd06aa5a74f909ebf568f","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"8824aa4ab62c800f75d96f48e1883a5f56ec5869","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"29eca8b7863d1d7de6c5b746b374e3487d14f154","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"3fe3923d092e22d87d1ed03e2729db444b8c1331","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"7c54b6fc39eb1aac51cf2945f8a25e2a47fdca02","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"3975e21d4d01efaf0296ded40d11c06589c49245","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"a7300e3800e9fd5405e88ce67709c1a97783b9c8","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"650d1bc02fba7b42f476d8b6643324abac5921ed","versionType":"git"},{"version":"2dbaf751b1dec3a603130a475f94cc4d3f404362","status":"affected","lessThan":"11958528161731c58e105b501ed60b83a91ea941","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/sta_rx.c","drivers/net/wireless/marvell/mwifiex/uap_txrx.c","drivers/net/wireless/marvell/mwifiex/util.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.7","versionType":"semver"},{"version":"4.14.326","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.195","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.132","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.53","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.16","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/sta_rx.c","drivers/net/wireless/marvell/mwifiex/uap_txrx.c","drivers/net/wireless/marvell/mwifiex/util.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f517c97fc129995de77dd06aa5a74f909ebf568f"},{"url":"https://git.kernel.org/stable/c/8824aa4ab62c800f75d96f48e1883a5f56ec5869"},{"url":"https://git.kernel.org/stable/c/29eca8b7863d1d7de6c5b746b374e3487d14f154"},{"url":"https://git.kernel.org/stable/c/3fe3923d092e22d87d1ed03e2729db444b8c1331"},{"url":"https://git.kernel.org/stable/c/7c54b6fc39eb1aac51cf2945f8a25e2a47fdca02"},{"url":"https://git.kernel.org/stable/c/3975e21d4d01efaf0296ded40d11c06589c49245"},{"url":"https://git.kernel.org/stable/c/a7300e3800e9fd5405e88ce67709c1a97783b9c8"},{"url":"https://git.kernel.org/stable/c/650d1bc02fba7b42f476d8b6643324abac5921ed"},{"url":"https://git.kernel.org/stable/c/11958528161731c58e105b501ed60b83a91ea941"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"},"scenarios":[{"lang":"en","value":"AV:A - The vulnerable code processes WiFi RX frames delivered by mwifiex firmware (SDIO/PCIe/USB) into mwifiex_handle_rx_packet and the sta/uap/mgmt RX handlers; exploitation requires being on the same WiFi segment to inject or influence received frames, matching Adjacent for WiFi frame injection.\nAC:L - An adjacent attacker can reliably supply short or malformed RX payloads that yield a small but consistent rx_pkt_length passing the existing offset+length check and hitting the memmove underflow; success does not depend on an uncontrollable race or opaque victim-only state.\nPR:N - Frames are handled in the driver RX path with no host user account, capability, or OS authentication check; a peer on the WiFi link needs no privileges on the target system.\nUI:N - Once the interface is up with management/data RX enabled (common SoftAP, P2P, or station steady state on mwifiex Chromebooks/devices), attacker-controlled RX frames trigger the bug with no further victim action.\nS:U - The OOB read/write corrupts host kernel memory within the same kernel security authority; this is privilege escalation/DoS on the host, not a VM escape or IOMMU boundary cross.\nC:H - Out-of-bounds reads of skb data via unchecked rx_pkt_offset (eth/rfc1042 header access) and memory corruption from the underflowing memmove can be leveraged for arbitrary kernel information disclosure.\nI:H - The pkt_len underflow turns memmove into a large out-of-bounds write (explicitly called an exploitable OOB write on arm64 Chromebooks by the reporter), enabling heap corruption and control-flow hijacking.\nA:H - The same OOB access and corrupted memmove reliably cause kernel oops/panic in the RX path, so availability impact is complete even without a full code-execution exploit."}]}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-05T09:13:11.801Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"4.14.326"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"4.19.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.4.257"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.10.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.15.132"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.1.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.4.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.5.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2023-53226","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T17:51:16.557701Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-191","lang":"en","type":"CWE","description":"CWE-191 Integer Underflow (Wrap or Wraparound)"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T17:52:59.853Z"}}]}}}