CVE-2026-23187

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"416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7842b5dfcac888ece025a2321257d74b2264b099"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eb54ce033b344b531b374496e68a2554b2b56b5a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: pmdomain: imx8m-blk-ctrl: fix out-of-range access of bc->domains", "id": "2439932", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439932"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\npmdomain: imx8m-blk-ctrl: fix out-of-range access of bc->domains\nFix out-of-range access of bc->domains in imx8m_blk_ctrl_remove()."], "name": "CVE-2026-23187", "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": "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": "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"}], "public_date": "2026-02-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23187\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23187\nhttps://lore.kernel.org/linux-cve-announce/2026021431-CVE-2026-23187-018e@gregkh/T"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2684ac05a8c4d2d5c49e6c11eb6206b30a284813,7842b5dfcac888ece025a2321257d74b2264b099)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2684ac05a8c4d2d5c49e6c11eb6206b30a284813,071159ff5c0bf2e5efff79501e23faf3775cbcd1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2684ac05a8c4d2d5c49e6c11eb6206b30a284813,4390dcdabb5fca4647bf56a5a6b050bbdfa5760f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2684ac05a8c4d2d5c49e6c11eb6206b30a284813,eb54ce033b344b531b374496e68a2554b2b56b5a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2684ac05a8c4d2d5c49e6c11eb6206b30a284813,6bd8b4a92a901fae1a422e6f914801063c345e8d)"}}], "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.163,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.124,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.70,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.10,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "product": "linux_kernel", "vendor": "linux"}], "analysis": {"en": {"generated_at": "2026-04-18T12:14:40.586160+00:00", "value": {"mitigation_remediation": ["Apply the latest stable kernel release that contains the fix for imx8m_blk_ctrl.", "If an immediate kernel upgrade is not possible, disable or prevent unloading of the imx8m_blk_ctrl module until the fix is available.", "Consider blacklisting the imx8m_blk_ctrl module to prevent it from auto-loading on systems where it is not required, until the kernel patch is applied."], "summary": {"action": "Patch", "impact": "Memory Out\u2011of\u2011Bounds Access"}, "threat_synthesis": {"affected_systems": "All Linux kernel releases that include the imx8m_blk_ctrl driver prior to the applied fix are affected. The vulnerability applies to kernel versions 6.19-rc1 through 6.19-rc8 and to any build matching the generic Linux kernel identifier. Unpatched kernels that load the block controller module are vulnerable.", "description_and_impact": "The kernel contains an out\u2011of\u2011range memory read in the IMX8M block controller removal routine, which can cause the kernel to access invalid memory. Such an access can lead to a crash or, in the worst case, provide an attacker with a vector for memory corruption. The flaw represents a typical bounds checking failure (CWE\u2011125).", "risk_and_exploitability": "The CVSS score of 7.1 indicates a high impact if successfully exploited. The EPSS score is below 1%, suggesting that active exploitation is currently unlikely, and the vulnerability is not listed in the CISA KEV catalog. The likely attack requires a user with kernel module load or remove privileges, implying a local or privileged exploit. An attacker with sufficient privileges could trigger the fault by removing the block controller module, which could lead to a denial of service or, in a more advanced scenario, memory corruption."}}}}, "created": "2026-02-16T09:43:48.093198+00:00", "updated": "2026-04-18T12:15:15.789751+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}