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"https://git.kernel.org/stable/c/05363abc7625cf18c96e67f50673cd07f11da5e9"}], "title": "pstore: ram_core: fix incorrect success return when vmap() fails", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: pstore: ram_core: fix incorrect success return when vmap() fails", "id": "2467170", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467170"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-253", "details": ["A flaw was found in the Linux kernel's pstore ram_core component. A local attacker could exploit a vulnerability where the `persistent_ram_buffer_map()` function incorrectly returns success even when the underlying `vmap()` memory mapping operation fails. This occurs if a non-zero offset is used, leading to attempts to access an invalid memory address. Successful exploitation of this flaw would result in a system crash, causing a Denial of Service (DoS)."], "name": "CVE-2026-43124", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "impact": "moderate", "package_name": "ruby4.0", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43124\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43124\nhttps://lore.kernel.org/linux-cve-announce/2026050619-CVE-2026-43124-8141@gregkh/T"], "threat_severity": "Moderate"}

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