{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-37898", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.964Z", "datePublished": "2025-05-20T15:21:34.055Z", "dateUpdated": "2025-05-26T05:23:17.320Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-26T05:23:17.320Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc64/ftrace: fix module loading without patchable function entries\n\nget_stubs_size assumes that there must always be at least one patchable\nfunction entry, which is not always the case (modules that export data\nbut no code), otherwise it returns -ENOEXEC and thus the section header\nsh_size is set to that value. During module_memory_alloc() the size is\npassed to execmem_alloc() after being page-aligned and thus set to zero\nwhich will cause it to fail the allocation (and thus module loading) as\n__vmalloc_node_range() checks for zero-sized allocs and returns null:\n\n[ 115.466896] module_64: cast_common: doesn't contain __patchable_function_entries.\n[ 115.469189] ------------[ cut here ]------------\n[ 115.469496] WARNING: CPU: 0 PID: 274 at mm/vmalloc.c:3778 __vmalloc_node_range_noprof+0x8b4/0x8f0\n...\n[ 115.478574] ---[ end trace 0000000000000000 ]---\n[ 115.479545] execmem: unable to allocate memory\n\nFix this by removing the check completely, since it is anyway not\nhelpful to propagate this as an error upwards."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/powerpc/kernel/module_64.c"], "versions": [{"version": "eec37961a56aa4f3fe1c33ffd48eec7d1bb0c009", "lessThan": "358b559afec7806b9d01c2405b490e782c347022", "status": "affected", "versionType": "git"}, {"version": "eec37961a56aa4f3fe1c33ffd48eec7d1bb0c009", "lessThan": "534f5a8ba27863141e29766467a3e1f61bcb47ac", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/powerpc/kernel/module_64.c"], "versions": [{"version": "6.13", "status": "affected"}, {"version": "0", "lessThan": "6.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.6", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "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": "6.13", "versionEndExcluding": "6.14.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/358b559afec7806b9d01c2405b490e782c347022"}, {"url": "https://git.kernel.org/stable/c/534f5a8ba27863141e29766467a3e1f61bcb47ac"}], "title": "powerpc64/ftrace: fix module loading without patchable function entries", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc64/ftrace: fix module loading without patchable function entries\n\nget_stubs_size assumes that there must always be at least one patchable\nfunction entry, which is not always the case (modules that export data\nbut no code), otherwise it returns -ENOEXEC and thus the section header\nsh_size is set to that value. During module_memory_alloc() the size is\npassed to execmem_alloc() after being page-aligned and thus set to zero\nwhich will cause it to fail the allocation (and thus module loading) as\n__vmalloc_node_range() checks for zero-sized allocs and returns null:\n\n[ 115.466896] module_64: cast_common: doesn't contain __patchable_function_entries.\n[ 115.469189] ------------[ cut here ]------------\n[ 115.469496] WARNING: CPU: 0 PID: 274 at mm/vmalloc.c:3778 __vmalloc_node_range_noprof+0x8b4/0x8f0\n...\n[ 115.478574] ---[ end trace 0000000000000000 ]---\n[ 115.479545] execmem: unable to allocate memory\n\nFix this by removing the check completely, since it is anyway not\nhelpful to propagate this as an error upwards."}], "id": "CVE-2025-37898", "lastModified": "2025-05-21T20:25:16.407", "metrics": {}, "published": "2025-05-20T16:15:26.177", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/358b559afec7806b9d01c2405b490e782c347022"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/534f5a8ba27863141e29766467a3e1f61bcb47ac"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: powerpc64/ftrace: fix module loading without patchable function entries", "id": "2367516", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2367516"}, "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:\npowerpc64/ftrace: fix module loading without patchable function entries\nget_stubs_size assumes that there must always be at least one patchable\nfunction entry, which is not always the case (modules that export data\nbut no code), otherwise it returns -ENOEXEC and thus the section header\nsh_size is set to that value. During module_memory_alloc() the size is\npassed to execmem_alloc() after being page-aligned and thus set to zero\nwhich will cause it to fail the allocation (and thus module loading) as\n__vmalloc_node_range() checks for zero-sized allocs and returns null:\n[ 115.466896] module_64: cast_common: doesn't contain __patchable_function_entries.\n[ 115.469189] ------------[ cut here ]------------\n[ 115.469496] WARNING: CPU: 0 PID: 274 at mm/vmalloc.c:3778 __vmalloc_node_range_noprof+0x8b4/0x8f0\n...\n[ 115.478574] ---[ end trace 0000000000000000 ]---\n[ 115.479545] execmem: unable to allocate memory\nFix this by removing the check completely, since it is anyway not\nhelpful to propagate this as an error upwards."], "name": "CVE-2025-37898", "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": "2025-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-37898\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-37898\nhttps://lore.kernel.org/linux-cve-announce/2025052054-CVE-2025-37898-a5ea@gregkh/T"], "threat_severity": "Moderate"}