{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49235", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.294Z", "datePublished": "2025-02-26T01:56:00.212Z", "dateUpdated": "2026-05-11T18:55:45.653Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:55:45.653Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nath9k_htc: fix uninit value bugs\n\nSyzbot reported 2 KMSAN bugs in ath9k. All of them are caused by missing\nfield initialization.\n\nIn htc_connect_service() svc_meta_len and pad are not initialized. Based\non code it looks like in current skb there is no service data, so simply\ninitialize svc_meta_len to 0.\n\nhtc_issue_send() does not initialize htc_frame_hdr::control array. Based\non firmware code, it will initialize it by itself, so simply zero whole\narray to make KMSAN happy\n\nFail logs:\n\nBUG: KMSAN: kernel-usb-infoleak in usb_submit_urb+0x6c1/0x2aa0 drivers/usb/core/urb.c:430\n usb_submit_urb+0x6c1/0x2aa0 drivers/usb/core/urb.c:430\n hif_usb_send_regout drivers/net/wireless/ath/ath9k/hif_usb.c:127 [inline]\n hif_usb_send+0x5f0/0x16f0 drivers/net/wireless/ath/ath9k/hif_usb.c:479\n htc_issue_send drivers/net/wireless/ath/ath9k/htc_hst.c:34 [inline]\n htc_connect_service+0x143e/0x1960 drivers/net/wireless/ath/ath9k/htc_hst.c:275\n...\n\nUninit was created at:\n slab_post_alloc_hook mm/slab.h:524 [inline]\n slab_alloc_node mm/slub.c:3251 [inline]\n __kmalloc_node_track_caller+0xe0c/0x1510 mm/slub.c:4974\n kmalloc_reserve net/core/skbuff.c:354 [inline]\n __alloc_skb+0x545/0xf90 net/core/skbuff.c:426\n alloc_skb include/linux/skbuff.h:1126 [inline]\n htc_connect_service+0x1029/0x1960 drivers/net/wireless/ath/ath9k/htc_hst.c:258\n...\n\nBytes 4-7 of 18 are uninitialized\nMemory access of size 18 starts at ffff888027377e00\n\nBUG: KMSAN: kernel-usb-infoleak in usb_submit_urb+0x6c1/0x2aa0 drivers/usb/core/urb.c:430\n usb_submit_urb+0x6c1/0x2aa0 drivers/usb/core/urb.c:430\n hif_usb_send_regout drivers/net/wireless/ath/ath9k/hif_usb.c:127 [inline]\n hif_usb_send+0x5f0/0x16f0 drivers/net/wireless/ath/ath9k/hif_usb.c:479\n htc_issue_send drivers/net/wireless/ath/ath9k/htc_hst.c:34 [inline]\n htc_connect_service+0x143e/0x1960 drivers/net/wireless/ath/ath9k/htc_hst.c:275\n...\n\nUninit was created at:\n slab_post_alloc_hook mm/slab.h:524 [inline]\n slab_alloc_node mm/slub.c:3251 [inline]\n __kmalloc_node_track_caller+0xe0c/0x1510 mm/slub.c:4974\n kmalloc_reserve net/core/skbuff.c:354 [inline]\n __alloc_skb+0x545/0xf90 net/core/skbuff.c:426\n alloc_skb include/linux/skbuff.h:1126 [inline]\n htc_connect_service+0x1029/0x1960 drivers/net/wireless/ath/ath9k/htc_hst.c:258\n...\n\nBytes 16-17 of 18 are uninitialized\nMemory access of size 18 starts at ffff888027377e00" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/wireless/ath/ath9k/htc_hst.c" ], "versions": [ { "version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "5c2a6a8daa17a3f65b38b9a5574bb362c13fa1d9", "status": "affected", "versionType": "git" }, { "version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "e352acdd378e9263cc4c6018e588f2dac7161d07", "status": "affected", "versionType": "git" }, { "version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "ee4222052a76559c20e821bc3519cefb58b6d3e9", "status": "affected", "versionType": "git" }, { "version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "4d244b731188e0b63fc40a9d2dec72e9181fb37c", "status": "affected", "versionType": "git" }, { "version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "11f11ac281f0c0b363d2940204f28bae0422ed71", "status": "affected", "versionType": "git" }, { "version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "0b700f7d06492de34964b6f414120043364f8191", "status": "affected", "versionType": "git" }, { "version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "7da6169b6ebb75816b57be3beb829afa74f3b4b6", "status": "affected", "versionType": "git" }, { "version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "5abf2b761b998063f5e2bae93fd4ab10e2a80f10", "status": "affected", "versionType": "git" }, { "version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "d1e0df1c57bd30871dd1c855742a7c346dbca853", "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/ath/ath9k/htc_hst.c" ], "versions": [ { "version": "2.6.35", "status": "affected" }, { "version": "0", "lessThan": "2.6.35", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.311", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.276", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.238", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.189", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.110", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.33", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16.19", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17.2", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.18", "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": "2.6.35", "versionEndExcluding": "4.9.311" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "4.14.276" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "4.19.238" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.4.189" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.10.110" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.15.33" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.16.19" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.17.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.35", "versionEndExcluding": "5.18" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/5c2a6a8daa17a3f65b38b9a5574bb362c13fa1d9" }, { "url": "https://git.kernel.org/stable/c/e352acdd378e9263cc4c6018e588f2dac7161d07" }, { "url": "https://git.kernel.org/stable/c/ee4222052a76559c20e821bc3519cefb58b6d3e9" }, { "url": "https://git.kernel.org/stable/c/4d244b731188e0b63fc40a9d2dec72e9181fb37c" }, { "url": "https://git.kernel.org/stable/c/11f11ac281f0c0b363d2940204f28bae0422ed71" }, { "url": "https://git.kernel.org/stable/c/0b700f7d06492de34964b6f414120043364f8191" }, { "url": "https://git.kernel.org/stable/c/7da6169b6ebb75816b57be3beb829afa74f3b4b6" }, { "url": "https://git.kernel.org/stable/c/5abf2b761b998063f5e2bae93fd4ab10e2a80f10" }, { "url": "https://git.kernel.org/stable/c/d1e0df1c57bd30871dd1c855742a7c346dbca853" } ], "title": "ath9k_htc: fix uninit value bugs", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "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-2022-49235", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-10-01T19:46:00.525917Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-908", "description": "CWE-908 Use of Uninitialized Resource" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:47:03.159Z" } } ] } }