CVE-2022-49191

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We jump\nthere also from the \"!info->type\" if now too."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/mxser.c"], "versions": [{"version": "6769140d304731f0a3b177470a2adb4bacd9036b", "lessThan": "376922045009f8ea2d20a8fa3475e95b47c41690", "status": "affected", "versionType": "git"}, {"version": "6769140d304731f0a3b177470a2adb4bacd9036b", "lessThan": "125b7c929fc9b1e5eaa344bceb6367dfa6fd3f9d", "status": "affected", "versionType": "git"}, {"version": "6769140d304731f0a3b177470a2adb4bacd9036b", "lessThan": "685b6d16bf89595310b5d61394c9b97cc9505c7c", "status": "affected", "versionType": "git"}, {"version": "6769140d304731f0a3b177470a2adb4bacd9036b", "lessThan": "996291d06851a26678a0fab488b6e1f0677c0576", "status": "affected", "versionType": "git"}, {"version": "6769140d304731f0a3b177470a2adb4bacd9036b", "lessThan": 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{}

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{"lessThanOrEqual": "4.9.*", "status": "unaffected", "version": "4.9.311", "versionType": "semver"}, {"lessThanOrEqual": "4.14.*", "status": "unaffected", "version": "4.14.276", "versionType": "semver"}, {"lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.238", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.189", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.110", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.33", "versionType": "semver"}, {"lessThanOrEqual": "5.16.*", "status": "unaffected", "version": "5.16.19", "versionType": "semver"}, {"lessThanOrEqual": "5.17.*", "status": "unaffected", "version": "5.17.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.18", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": 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error.\nProvided ->shutdown() is not called when ->activate() fails, nothing\nactually frees the buffer in this case.\n\nFix this by properly freeing the buffer in a designated label. We jump\nthere also from the \"!info->type\" if now too."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mxser: se corrige la fuga de xmit_buf en activate cuando LSR == 0xff Cuando LSR es 0xff en ->activate() (bastante diferente), devolvemos un error. Siempre que no se llame a ->shutdown() cuando ->activate() falla, en realidad nada libera el b\u00fafer en este caso. Corrija esto liberando correctamente el b\u00fafer en una etiqueta designada. Saltamos all\u00ed tambi\u00e9n desde \"!info->type\" if now tambi\u00e9n."}], "id": "CVE-2022-49191", "lastModified": "2026-06-17T05:17:20.523", "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"}]}, "published": "2025-02-26T07:00:56.183", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/125b7c929fc9b1e5eaa344bceb6367dfa6fd3f9d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2cd05c38a27bee7fb42aa4d43174d68ac55dac0f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/376922045009f8ea2d20a8fa3475e95b47c41690"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/685b6d16bf89595310b5d61394c9b97cc9505c7c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6c9041b2f90c0eace73106f22350e1d2c98f5edc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6dffc2035fbaada60ca8db59e0962e34f760370a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/996291d06851a26678a0fab488b6e1f0677c0576"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b125b08dbee3611f03f53b71471813ed4ccafcdd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cd3a4907ee334b40d7aa880c7ab310b154fd5cd4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mxser: fix xmit_buf leak in activate when LSR == 0xff", "id": "2348098", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348098"}, "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": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmxser: fix xmit_buf leak in activate when LSR == 0xff\nWhen LSR is 0xff in ->activate() (rather unlike), we return an error.\nProvided ->shutdown() is not called when ->activate() fails, nothing\nactually frees the buffer in this case.\nFix this by properly freeing the buffer in a designated label. We jump\nthere also from the \"!info->type\" if now too."], "name": "CVE-2022-49191", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49191\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49191\nhttps://lore.kernel.org/linux-cve-announce/2025022616-CVE-2022-49191-ed02@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-13T11:14:49.305651+00:00", "updated": "2025-07-13T11:14:49.305722+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}