{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50239", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-15T13:58:00.971Z", "datePublished": "2025-09-15T14:01:43.916Z", "dateUpdated": "2025-09-15T14:01:43.916Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-15T14:01:43.916Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: qcom: fix writes in read-only memory region\n\nThis commit fixes a kernel oops because of a write in some read-only memory:\n\n\t[ 9.068287] Unable to handle kernel write to read-only memory at virtual address ffff800009240ad8\n\t..snip..\n\t[ 9.138790] Internal error: Oops: 9600004f [#1] PREEMPT SMP\n\t..snip..\n\t[ 9.269161] Call trace:\n\t[ 9.276271] __memcpy+0x5c/0x230\n\t[ 9.278531] snprintf+0x58/0x80\n\t[ 9.282002] qcom_cpufreq_msm8939_name_version+0xb4/0x190\n\t[ 9.284869] qcom_cpufreq_probe+0xc8/0x39c\n\t..snip..\n\nThe following line defines a pointer that point to a char buffer stored\nin read-only memory:\n\n\tchar *pvs_name = \"speedXX-pvsXX-vXX\";\n\nThis pointer is meant to hold a template \"speedXX-pvsXX-vXX\" where the\nXX values get overridden by the qcom_cpufreq_krait_name_version function. Since\nthe template is actually stored in read-only memory, when the function\nexecutes the following call we get an oops:\n\n\tsnprintf(*pvs_name, sizeof(\"speedXX-pvsXX-vXX\"), \"speed%d-pvs%d-v%d\",\n\t\t speed, pvs, pvs_ver);\n\nTo fix this issue, we instead store the template name onto the stack by\nusing the following syntax:\n\n\tchar pvs_name_buffer[] = \"speedXX-pvsXX-vXX\";\n\nBecause the `pvs_name` needs to be able to be assigned to NULL, the\ntemplate buffer is stored in the pvs_name_buffer and not under the\npvs_name variable."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/cpufreq/qcom-cpufreq-nvmem.c"], "versions": [{"version": "a8811ec764f95a04ba82f6f457e28c5e9e36e36b", "lessThan": "794ded0bc461287a268bed21fea2eebb6e5d232c", "status": "affected", "versionType": "git"}, {"version": "a8811ec764f95a04ba82f6f457e28c5e9e36e36b", "lessThan": "14d260f94ff89543597ffea13db8b277a810e08e", "status": "affected", "versionType": "git"}, {"version": "a8811ec764f95a04ba82f6f457e28c5e9e36e36b", "lessThan": "b74ee4e301ca01e431e240c046173332966e2431", "status": "affected", "versionType": "git"}, {"version": "a8811ec764f95a04ba82f6f457e28c5e9e36e36b", "lessThan": "01039fb8e90c9cb684430414bff70cea9eb168c5", "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/cpufreq/qcom-cpufreq-nvmem.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.152", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.76", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.6", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "5.7", "versionEndExcluding": "5.10.152"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "5.15.76"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.0.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/794ded0bc461287a268bed21fea2eebb6e5d232c"}, {"url": "https://git.kernel.org/stable/c/14d260f94ff89543597ffea13db8b277a810e08e"}, {"url": "https://git.kernel.org/stable/c/b74ee4e301ca01e431e240c046173332966e2431"}, {"url": "https://git.kernel.org/stable/c/01039fb8e90c9cb684430414bff70cea9eb168c5"}], "title": "cpufreq: qcom: fix writes in read-only memory region", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: qcom: fix writes in read-only memory region\n\nThis commit fixes a kernel oops because of a write in some read-only memory:\n\n\t[ 9.068287] Unable to handle kernel write to read-only memory at virtual address ffff800009240ad8\n\t..snip..\n\t[ 9.138790] Internal error: Oops: 9600004f [#1] PREEMPT SMP\n\t..snip..\n\t[ 9.269161] Call trace:\n\t[ 9.276271] __memcpy+0x5c/0x230\n\t[ 9.278531] snprintf+0x58/0x80\n\t[ 9.282002] qcom_cpufreq_msm8939_name_version+0xb4/0x190\n\t[ 9.284869] qcom_cpufreq_probe+0xc8/0x39c\n\t..snip..\n\nThe following line defines a pointer that point to a char buffer stored\nin read-only memory:\n\n\tchar *pvs_name = \"speedXX-pvsXX-vXX\";\n\nThis pointer is meant to hold a template \"speedXX-pvsXX-vXX\" where the\nXX values get overridden by the qcom_cpufreq_krait_name_version function. Since\nthe template is actually stored in read-only memory, when the function\nexecutes the following call we get an oops:\n\n\tsnprintf(*pvs_name, sizeof(\"speedXX-pvsXX-vXX\"), \"speed%d-pvs%d-v%d\",\n\t\t speed, pvs, pvs_ver);\n\nTo fix this issue, we instead store the template name onto the stack by\nusing the following syntax:\n\n\tchar pvs_name_buffer[] = \"speedXX-pvsXX-vXX\";\n\nBecause the `pvs_name` needs to be able to be assigned to NULL, the\ntemplate buffer is stored in the pvs_name_buffer and not under the\npvs_name variable."}], "id": "CVE-2022-50239", "lastModified": "2025-09-15T15:21:42.937", "metrics": {}, "published": "2025-09-15T14:15:34.130", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/01039fb8e90c9cb684430414bff70cea9eb168c5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/14d260f94ff89543597ffea13db8b277a810e08e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/794ded0bc461287a268bed21fea2eebb6e5d232c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b74ee4e301ca01e431e240c046173332966e2431"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: cpufreq: qcom: fix writes in read-only memory region", "id": "2395336", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395336"}, "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": ["No description is available for this CVE."], "name": "CVE-2022-50239", "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": "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": "2025-09-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50239\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50239\nhttps://lore.kernel.org/linux-cve-announce/2025091547-CVE-2022-50239-3908@gregkh/T"], "threat_severity": "Moderate"}