CVE-2024-49938

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In addition, __skb_set_length()\nalready contains a call to skb_reset_tail_pointer(), so remove the redundant\ncall.\n\nThe syzbot report came from ath9k_hif_usb_reg_in_cb(), but there's a similar\nusage of skb_trim() in ath9k_hif_usb_rx_cb(), change both while we're at it."}], "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/hif_usb.c"], "versions": [{"version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "e6b9bf32e0695e4f374674002de0527d2a6768eb", "status": "affected", "versionType": "git"}, {"version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "d1f2fbc6a769081503f6ffedbb5cd1ac497f0e77", "status": "affected", "versionType": "git"}, {"version": "fb9987d0f748c983bb795a86f47522313f701a08", "lessThan": "b02eb7c86ff2ef1411c3095ec8a52b13f68db04f", "status": "affected", "versionType": "git"}, {"version": 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The intent here is\nclearly just to reset the length to zero before resubmitting, so switch to\ncalling __skb_set_length(skb, 0) directly. 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The intent here is\nclearly just to reset the length to zero before resubmitting, so switch to\ncalling __skb_set_length(skb, 0) directly. In addition, __skb_set_length()\nalready contains a call to skb_reset_tail_pointer(), so remove the redundant\ncall.\n\nThe syzbot report came from ath9k_hif_usb_reg_in_cb(), but there's a similar\nusage of skb_trim() in ath9k_hif_usb_rx_cb(), change both while we're at it."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: ath9k_htc: Use __skb_set_length() para restablecer urb antes de volver a enviar Syzbot se\u00f1ala que skb_trim() tiene una comprobaci\u00f3n de cordura en la longitud existente del skb, que puede no inicializarse en algunas rutas de error. La intenci\u00f3n aqu\u00ed es claramente solo restablecer la longitud a cero antes de volver a enviar, as\u00ed que cambie a llamar a __skb_set_length(skb, 0) directamente. Adem\u00e1s, __skb_set_length() ya contiene una llamada a skb_reset_tail_pointer(), as\u00ed que elimine la llamada redundante. El informe de syzbot vino de ath9k_hif_usb_reg_in_cb(), pero hay un uso similar de skb_trim() en ath9k_hif_usb_rx_cb(), cambie ambos mientras estamos en eso."}], "id": "CVE-2024-49938", "lastModified": "2026-10-15T01:19:01.320", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-49938", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-22T13:38:08.567983Z", "version": "2.0.3"}}]}, "published": "2024-10-21T18:15:15.547", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/012ae530afa0785102360de452745d33c99a321b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2c230210ec0ae6ed08306ac70dc21c24b817bb95"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6a875220670475d9247e576c15dc29823100a4e4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/94745807f3ebd379f23865e6dab196f220664179"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a9f4e28e8adaf0715bd4e01462af0a52ee46b01f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b02eb7c86ff2ef1411c3095ec8a52b13f68db04f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d1f2fbc6a769081503f6ffedbb5cd1ac497f0e77"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e37e348835032d6940ec89308cc8996ded691d2d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e6b9bf32e0695e4f374674002de0527d2a6768eb"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-355557.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-824"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2025:6966", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:6966", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-570.12.1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}], "bugzilla": {"description": "kernel: wifi: ath9k_htc: Use __skb_set_length() for resetting urb before resubmit", "id": "2320510", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320510"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-824", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: ath9k_htc: Use __skb_set_length() for resetting urb before resubmit\nSyzbot points out that skb_trim() has a sanity check on the existing length of\nthe skb, which can be uninitialised in some error paths. The intent here is\nclearly just to reset the length to zero before resubmitting, so switch to\ncalling __skb_set_length(skb, 0) directly. In addition, __skb_set_length()\nalready contains a call to skb_reset_tail_pointer(), so remove the redundant\ncall.\nThe syzbot report came from ath9k_hif_usb_reg_in_cb(), but there's a similar\nusage of skb_trim() in ath9k_hif_usb_rx_cb(), change both while we're at it."], "name": "CVE-2024-49938", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-49938\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-49938\nhttps://lore.kernel.org/linux-cve-announce/2024102127-CVE-2024-49938-5a61@gregkh/T"], "threat_severity": "Moderate"}

{}