{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89582", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.728Z", "datePublished": "2026-09-11T19:44:48.336Z", "dateUpdated": "2026-09-11T19:44:48.336Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:44:48.336Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbnx2x: fix double free in bnx2x_init_firmware() error path\n\nbnx2x_init_firmware() frees bp->init_ops, bp->init_data and\nbp->init_ops_offsets in its error path without setting them to NULL.\nThe cleanup function bnx2x_release_firmware() frees the same three\npointers unconditionally, so if init_firmware fails and\nrelease_firmware is later called (e.g. from __bnx2x_remove or through\nthe function state machine), all three are freed a second time.\n\nSet each pointer to NULL after kfree() in the error path so that the\nsubsequent kfree(NULL) in bnx2x_release_firmware() is a safe no-op."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c"], "versions": [{"version": "94a78b79cb5f14c09a42522738d6694c6a1cdd20", "lessThan": "dc98e727b9cfc5e19c796bf893878153f00b222b", "status": "affected", "versionType": "git"}, {"version": "94a78b79cb5f14c09a42522738d6694c6a1cdd20", "lessThan": "4d36e38e48340a1ccf92a98c7a22d07a954e5aa3", "status": "affected", "versionType": "git"}, {"version": "94a78b79cb5f14c09a42522738d6694c6a1cdd20", "lessThan": "a142c024f07d623e2b6b25943f6c36d4b6b0b4c6", "status": "affected", "versionType": "git"}, {"version": "94a78b79cb5f14c09a42522738d6694c6a1cdd20", "lessThan": "d2796ffe38cb4155afe0eab23636295b096c27a5", "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/ethernet/broadcom/bnx2x/bnx2x_main.c"], "versions": [{"version": "2.6.31", "status": "affected"}, {"version": "0", "lessThan": "2.6.31", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "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": "2.6.31", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/dc98e727b9cfc5e19c796bf893878153f00b222b"}, {"url": "https://git.kernel.org/stable/c/4d36e38e48340a1ccf92a98c7a22d07a954e5aa3"}, {"url": "https://git.kernel.org/stable/c/a142c024f07d623e2b6b25943f6c36d4b6b0b4c6"}, {"url": "https://git.kernel.org/stable/c/d2796ffe38cb4155afe0eab23636295b096c27a5"}], "title": "bnx2x: fix double free in bnx2x_init_firmware() error path", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "dc98e727b9cfc5e19c796bf893878153f00b222b", "status": "affected", "version": "94a78b79cb5f14c09a42522738d6694c6a1cdd20", "versionType": "git"}, {"lessThan": "4d36e38e48340a1ccf92a98c7a22d07a954e5aa3", "status": "affected", "version": "94a78b79cb5f14c09a42522738d6694c6a1cdd20", "versionType": "git"}, {"lessThan": "a142c024f07d623e2b6b25943f6c36d4b6b0b4c6", "status": "affected", "version": "94a78b79cb5f14c09a42522738d6694c6a1cdd20", "versionType": "git"}, {"lessThan": "d2796ffe38cb4155afe0eab23636295b096c27a5", "status": "affected", "version": "94a78b79cb5f14c09a42522738d6694c6a1cdd20", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.31"}, {"lessThan": "2.6.31", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbnx2x: fix double free in bnx2x_init_firmware() error path\n\nbnx2x_init_firmware() frees bp->init_ops, bp->init_data and\nbp->init_ops_offsets in its error path without setting them to NULL.\nThe cleanup function bnx2x_release_firmware() frees the same three\npointers unconditionally, so if init_firmware fails and\nrelease_firmware is later called (e.g. from __bnx2x_remove or through\nthe function state machine), all three are freed a second time.\n\nSet each pointer to NULL after kfree() in the error path so that the\nsubsequent kfree(NULL) in bnx2x_release_firmware() is a safe no-op."}], "id": "CVE-2026-89582", "lastModified": "2026-09-11T20:19:42.537", "metrics": {}, "published": "2026-09-11T20:19:42.537", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4d36e38e48340a1ccf92a98c7a22d07a954e5aa3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a142c024f07d623e2b6b25943f6c36d4b6b0b4c6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d2796ffe38cb4155afe0eab23636295b096c27a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc98e727b9cfc5e19c796bf893878153f00b222b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: bnx2x: Double Free Vulnerability in Linux Kernel leading to Denial of Service or Code Execution", "id": "2532281", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532281"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-1341", "details": ["A flaw was found in the `bnx2x` component of the Linux kernel. This flaw occurs due to a double free vulnerability within the `bnx2x_init_firmware()` function's error handling path. Memory pointers are freed without being set to NULL, allowing the `bnx2x_release_firmware()` cleanup function to attempt freeing the same memory a second time. This issue could lead to system instability, a denial of service (DoS), or potentially arbitrary code execution."], "name": "CVE-2026-89582", "public_date": "2026-09-11T19:44:48Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89582\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89582\nhttps://git.kernel.org/stable/c/4d36e38e48340a1ccf92a98c7a22d07a954e5aa3\nhttps://git.kernel.org/stable/c/a142c024f07d623e2b6b25943f6c36d4b6b0b4c6\nhttps://git.kernel.org/stable/c/d2796ffe38cb4155afe0eab23636295b096c27a5\nhttps://git.kernel.org/stable/c/dc98e727b9cfc5e19c796bf893878153f00b222b"], "threat_severity": "Important"}

{}