{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-46755","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-09-11T15:12:18.270Z","datePublished":"2024-09-18T07:12:14.820Z","dateUpdated":"2026-01-05T10:53:11.877Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-01-05T10:53:11.877Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id()\n\nmwifiex_get_priv_by_id() returns the priv pointer corresponding to\nthe bss_num and bss_type, but without checking if the priv is actually\ncurrently in use.\nUnused priv pointers do not have a wiphy attached to them which can\nlead to NULL pointer dereferences further down the callstack.  Fix\nthis by returning only used priv pointers which have priv->bss_mode\nset to something else than NL80211_IFTYPE_UNSPECIFIED.\n\nSaid NULL pointer dereference happened when an Accesspoint was started\nwith wpa_supplicant -i mlan0 with this config:\n\nnetwork={\n        ssid=\"somessid\"\n        mode=2\n        frequency=2412\n        key_mgmt=WPA-PSK WPA-PSK-SHA256\n        proto=RSN\n        group=CCMP\n        pairwise=CCMP\n        psk=\"12345678\"\n}\n\nWhen waiting for the AP to be established, interrupting wpa_supplicant\nwith <ctrl-c> and starting it again this happens:\n\n| Unable to handle kernel NULL pointer dereference at virtual address 0000000000000140\n| Mem abort info:\n|   ESR = 0x0000000096000004\n|   EC = 0x25: DABT (current EL), IL = 32 bits\n|   SET = 0, FnV = 0\n|   EA = 0, S1PTW = 0\n|   FSC = 0x04: level 0 translation fault\n| Data abort info:\n|   ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n|   CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n|   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n| user pgtable: 4k pages, 48-bit VAs, pgdp=0000000046d96000\n| [0000000000000140] pgd=0000000000000000, p4d=0000000000000000\n| Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP\n| Modules linked in: caam_jr caamhash_desc spidev caamalg_desc crypto_engine authenc libdes mwifiex_sdio\n+mwifiex crct10dif_ce cdc_acm onboard_usb_hub fsl_imx8_ddr_perf imx8m_ddrc rtc_ds1307 lm75 rtc_snvs\n+imx_sdma caam imx8mm_thermal spi_imx error imx_cpufreq_dt fuse ip_tables x_tables ipv6\n| CPU: 0 PID: 8 Comm: kworker/0:1 Not tainted 6.9.0-00007-g937242013fce-dirty #18\n| Hardware name: somemachine (DT)\n| Workqueue: events sdio_irq_work\n| pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n| pc : mwifiex_get_cfp+0xd8/0x15c [mwifiex]\n| lr : mwifiex_get_cfp+0x34/0x15c [mwifiex]\n| sp : ffff8000818b3a70\n| x29: ffff8000818b3a70 x28: ffff000006bfd8a5 x27: 0000000000000004\n| x26: 000000000000002c x25: 0000000000001511 x24: 0000000002e86bc9\n| x23: ffff000006bfd996 x22: 0000000000000004 x21: ffff000007bec000\n| x20: 000000000000002c x19: 0000000000000000 x18: 0000000000000000\n| x17: 000000040044ffff x16: 00500072b5503510 x15: ccc283740681e517\n| x14: 0201000101006d15 x13: 0000000002e8ff43 x12: 002c01000000ffb1\n| x11: 0100000000000000 x10: 02e8ff43002c0100 x9 : 0000ffb100100157\n| x8 : ffff000003d20000 x7 : 00000000000002f1 x6 : 00000000ffffe124\n| x5 : 0000000000000001 x4 : 0000000000000003 x3 : 0000000000000000\n| x2 : 0000000000000000 x1 : 0001000000011001 x0 : 0000000000000000\n| Call trace:\n|  mwifiex_get_cfp+0xd8/0x15c [mwifiex]\n|  mwifiex_parse_single_response_buf+0x1d0/0x504 [mwifiex]\n|  mwifiex_handle_event_ext_scan_report+0x19c/0x2f8 [mwifiex]\n|  mwifiex_process_sta_event+0x298/0xf0c [mwifiex]\n|  mwifiex_process_event+0x110/0x238 [mwifiex]\n|  mwifiex_main_process+0x428/0xa44 [mwifiex]\n|  mwifiex_sdio_interrupt+0x64/0x12c [mwifiex_sdio]\n|  process_sdio_pending_irqs+0x64/0x1b8\n|  sdio_irq_work+0x4c/0x7c\n|  process_one_work+0x148/0x2a0\n|  worker_thread+0x2fc/0x40c\n|  kthread+0x110/0x114\n|  ret_from_fork+0x10/0x20\n| Code: a94153f3 a8c37bfd d50323bf d65f03c0 (f940a000)\n| ---[ end trace 0000000000000000 ]---"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/mwifiex/main.h"],"versions":[{"version":"93a1df48d224296fb527d32fbec4d5162828feb4","lessThan":"a12cf97cbefa139ef8d95081f2ea047cbbd74b7a","status":"affected","versionType":"git"},{"version":"93a1df48d224296fb527d32fbec4d5162828feb4","lessThan":"d834433ff313838a259bb6607055ece87b895b66","status":"affected","versionType":"git"},{"version":"93a1df48d224296fb527d32fbec4d5162828feb4","lessThan":"9813770f25855b866b8ead8155b8806b2db70f6d","status":"affected","versionType":"git"},{"version":"93a1df48d224296fb527d32fbec4d5162828feb4","lessThan":"cb67b2e51b75f1a17bee7599c8161b96e1808a70","status":"affected","versionType":"git"},{"version":"93a1df48d224296fb527d32fbec4d5162828feb4","lessThan":"1a05d8d02cfa3540ea5dbd6b39446bd3f515521f","status":"affected","versionType":"git"},{"version":"93a1df48d224296fb527d32fbec4d5162828feb4","lessThan":"c2618dcb26c7211342b54520b5b148c0d3471c8a","status":"affected","versionType":"git"},{"version":"93a1df48d224296fb527d32fbec4d5162828feb4","lessThan":"c16916dd6c16fa7e13ca3923eb6b9f50d848ad03","status":"affected","versionType":"git"},{"version":"93a1df48d224296fb527d32fbec4d5162828feb4","lessThan":"c145eea2f75ff7949392aebecf7ef0a81c1f6c14","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/marvell/mwifiex/main.h"],"versions":[{"version":"3.2","status":"affected"},{"version":"0","lessThan":"3.2","status":"unaffected","versionType":"semver"},{"version":"4.19.322","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.284","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.226","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.167","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.110","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.51","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.10.10","lessThanOrEqual":"6.10.*","status":"unaffected","versionType":"semver"},{"version":"6.11","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"4.19.322"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.4.284"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.10.226"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.15.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.1.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.6.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.10.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.11"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a12cf97cbefa139ef8d95081f2ea047cbbd74b7a"},{"url":"https://git.kernel.org/stable/c/d834433ff313838a259bb6607055ece87b895b66"},{"url":"https://git.kernel.org/stable/c/9813770f25855b866b8ead8155b8806b2db70f6d"},{"url":"https://git.kernel.org/stable/c/cb67b2e51b75f1a17bee7599c8161b96e1808a70"},{"url":"https://git.kernel.org/stable/c/1a05d8d02cfa3540ea5dbd6b39446bd3f515521f"},{"url":"https://git.kernel.org/stable/c/c2618dcb26c7211342b54520b5b148c0d3471c8a"},{"url":"https://git.kernel.org/stable/c/c16916dd6c16fa7e13ca3923eb6b9f50d848ad03"},{"url":"https://git.kernel.org/stable/c/c145eea2f75ff7949392aebecf7ef0a81c1f6c14"}],"title":"wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-29T14:46:11.339320Z","id":"CVE-2024-46755","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-29T15:51:59.794Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"url":"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:17:50.652Z"}}]}}