302 lines
15 KiB
JSON
302 lines
15 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2022-49581",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-02-26T02:21:30.412Z",
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"datePublished": "2025-02-26T02:23:19.148Z",
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"dateUpdated": "2026-10-15T21:21:07.860Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T08:55:50.751Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbe2net: Fix buffer overflow in be_get_module_eeprom\n\nbe_cmd_read_port_transceiver_data assumes that it is given a buffer that\nis at least PAGE_DATA_LEN long, or twice that if the module supports SFF\n8472. However, this is not always the case.\n\nFix this by passing the desired offset and length to\nbe_cmd_read_port_transceiver_data so that we only copy the bytes once."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The overflow is reached only via local ethtool ioctl/netlink (ETHTOOL_GMODULEEEPROM / ETHTOOL_MSG_MODULE_EEPROM_GET) into be_get_module_eeprom; it is not reachable from network packet processing.\nAC:L - An attacker with CAP_NET_ADMIN can reliably trigger the overflow by requesting a short module-EEPROM read (e.g. length 1 via the netlink fallback), which allocates a too-small kmalloc buffer while the driver still memcpy's PAGE_DATA_LEN bytes.\nPR:L - ETHTOOL_GMODULEEEPROM and the netlink MODULE_EEPROM_GET path require CAP_NET_ADMIN (ns_capable / GENL_UNS_ADMIN_PERM), which is Low rather than full root; the driver's check_privilege(MAX_PRIVILEGES) gate passes on typical PF be2net adapters.\nUI:N - Exploitation is a direct ethtool/netlink call by the attacker; no separate victim action is required.\nS:U - Impact is kernel memory corruption within the same host OS authority; this is not a VM/IOMMU/sandbox boundary escape.\nC:H - The heap out-of-bounds write corrupts adjacent kernel heap objects and can be leveraged for information disclosure primitives, so confidentiality impact is High.\nI:H - A multi-hundred-byte heap overflow write is memory corruption that can enable control-flow hijacking / arbitrary write primitives, so integrity impact is High.\nA:H - Heap corruption from the oversized memcpy can cause kernel oops/panic or allocator crashes, yielding High availability impact."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/ethernet/emulex/benet/be_cmds.c",
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"drivers/net/ethernet/emulex/benet/be_cmds.h",
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"drivers/net/ethernet/emulex/benet/be_ethtool.c"
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],
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"versions": [
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{
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"version": "e36edd9d26cf257511548edaf2b7a56eb4fed854",
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"lessThan": "a5a8fc0679a8fd58d47aa2ebcfc5742631f753f9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e36edd9d26cf257511548edaf2b7a56eb4fed854",
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"lessThan": "fe4473fc7940f14c4a12db873b9729134c212654",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e36edd9d26cf257511548edaf2b7a56eb4fed854",
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"lessThan": "8ff4f9df73e5c551a72ee6034886c17e8de6596d",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e36edd9d26cf257511548edaf2b7a56eb4fed854",
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"lessThan": "a8569f76df7ec5b4b51155c57523a0b356db5741",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e36edd9d26cf257511548edaf2b7a56eb4fed854",
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"lessThan": "665cbe91de2f7c97c51ca8fce39aae26477c1948",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e36edd9d26cf257511548edaf2b7a56eb4fed854",
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"lessThan": "aba8ff847f4f927ad7a1a1ee4a9f29989a1a728f",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e36edd9d26cf257511548edaf2b7a56eb4fed854",
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"lessThan": "18043da94c023f3ef09c15017bdb04e8f695ef10",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "e36edd9d26cf257511548edaf2b7a56eb4fed854",
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"lessThan": "d7241f679a59cfe27f92cb5c6272cb429fb1f7ec",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/ethernet/emulex/benet/be_cmds.c",
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"drivers/net/ethernet/emulex/benet/be_cmds.h",
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"drivers/net/ethernet/emulex/benet/be_ethtool.c"
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],
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"versions": [
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{
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"version": "3.18",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "3.18",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.9.325",
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"lessThanOrEqual": "4.9.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.14.290",
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"lessThanOrEqual": "4.14.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.19.254",
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"lessThanOrEqual": "4.19.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.4.208",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.134",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.58",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.18.15",
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"lessThanOrEqual": "5.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.19",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.18",
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"versionEndExcluding": "4.9.325"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.18",
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"versionEndExcluding": "4.14.290"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "4.19.254"
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/a5a8fc0679a8fd58d47aa2ebcfc5742631f753f9"
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},
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{
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"url": "https://git.kernel.org/stable/c/fe4473fc7940f14c4a12db873b9729134c212654"
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},
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{
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"url": "https://git.kernel.org/stable/c/8ff4f9df73e5c551a72ee6034886c17e8de6596d"
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},
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{
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"url": "https://git.kernel.org/stable/c/a8569f76df7ec5b4b51155c57523a0b356db5741"
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},
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{
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"url": "https://git.kernel.org/stable/c/665cbe91de2f7c97c51ca8fce39aae26477c1948"
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},
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{
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"url": "https://git.kernel.org/stable/c/aba8ff847f4f927ad7a1a1ee4a9f29989a1a728f"
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},
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{
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"url": "https://git.kernel.org/stable/c/18043da94c023f3ef09c15017bdb04e8f695ef10"
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},
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{
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"url": "https://git.kernel.org/stable/c/d7241f679a59cfe27f92cb5c6272cb429fb1f7ec"
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}
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],
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"title": "be2net: Fix buffer overflow in be_get_module_eeprom",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2022-49581",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-15T21:18:08.826441Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-10-15T21:21:07.860Z"
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}
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}
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]
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}
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} |