240 lines
11 KiB
JSON
240 lines
11 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-2026-23206",
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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": "2026-01-13T15:37:45.986Z",
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"datePublished": "2026-02-14T16:27:29.095Z",
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"dateUpdated": "2026-11-05T21:23:21.989Z"
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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": "2026-05-11T22:02:22.500Z"
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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\ndpaa2-switch: prevent ZERO_SIZE_PTR dereference when num_ifs is zero\n\nThe driver allocates arrays for ports, FDBs, and filter blocks using\nkcalloc() with ethsw->sw_attr.num_ifs as the element count. When the\ndevice reports zero interfaces (either due to hardware configuration\nor firmware issues), kcalloc(0, ...) returns ZERO_SIZE_PTR (0x10)\ninstead of NULL.\n\nLater in dpaa2_switch_probe(), the NAPI initialization unconditionally\naccesses ethsw->ports[0]->netdev, which attempts to dereference\nZERO_SIZE_PTR (address 0x10), resulting in a kernel panic.\n\nAdd a check to ensure num_ifs is greater than zero after retrieving\ndevice attributes. This prevents the zero-sized allocations and\nsubsequent invalid pointer dereference."
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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/freescale/dpaa2/dpaa2-switch.c"
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],
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"versions": [
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{
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"version": "0b1b71370458860579831e77485883fcf2e8fbbe",
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"lessThan": "2fcccca88456b592bd668db13aa1d29ed257ca2b",
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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": "0b1b71370458860579831e77485883fcf2e8fbbe",
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"lessThan": "80165ff16051448d6f840585ebe13f2400415df3",
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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": "0b1b71370458860579831e77485883fcf2e8fbbe",
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"lessThan": "b97415c4362f739e25ec6f71012277086fabdf6f",
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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": "0b1b71370458860579831e77485883fcf2e8fbbe",
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"lessThan": "4acc40db06ffd0fd92683505342b00c8a7394c60",
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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": "0b1b71370458860579831e77485883fcf2e8fbbe",
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"lessThan": "155eb99aff2920153bf21217ae29565fff81e6af",
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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": "0b1b71370458860579831e77485883fcf2e8fbbe",
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"lessThan": "ed48a84a72fefb20a82dd90a7caa7807e90c6f66",
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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/freescale/dpaa2/dpaa2-switch.c"
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],
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"versions": [
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{
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"version": "5.13",
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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": "5.13",
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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": "5.15.200",
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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": "6.1.163",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.124",
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"lessThanOrEqual": "6.6.*",
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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": "6.12.70",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.10",
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"lessThanOrEqual": "6.18.*",
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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": "6.19",
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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": "5.13",
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"versionEndExcluding": "5.15.200"
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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": "5.13",
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"versionEndExcluding": "6.1.163"
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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": "5.13",
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"versionEndExcluding": "6.6.124"
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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": "5.13",
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"versionEndExcluding": "6.12.70"
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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": "5.13",
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"versionEndExcluding": "6.18.10"
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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": "5.13",
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"versionEndExcluding": "6.19"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/2fcccca88456b592bd668db13aa1d29ed257ca2b"
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},
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{
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"url": "https://git.kernel.org/stable/c/80165ff16051448d6f840585ebe13f2400415df3"
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},
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{
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"url": "https://git.kernel.org/stable/c/b97415c4362f739e25ec6f71012277086fabdf6f"
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},
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{
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"url": "https://git.kernel.org/stable/c/4acc40db06ffd0fd92683505342b00c8a7394c60"
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},
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{
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"url": "https://git.kernel.org/stable/c/155eb99aff2920153bf21217ae29565fff81e6af"
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},
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{
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"url": "https://git.kernel.org/stable/c/ed48a84a72fefb20a82dd90a7caa7807e90c6f66"
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}
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],
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"title": "dpaa2-switch: prevent ZERO_SIZE_PTR dereference when num_ifs is zero",
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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-2026-23206",
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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": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-11-05T21:22:17.004971Z"
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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": "2026-11-05T21:23:21.989Z"
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}
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}
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]
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}
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} |