{"api_version":"1","generated_at":"2026-06-25T16:12:41+00:00","cve":"CVE-2026-53157","urls":{"html":"https://cve.report/CVE-2026-53157","api":"https://cve.report/api/cve/CVE-2026-53157.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53157","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53157"},"summary":{"title":"net: phonet: free phonet_device after RCU grace period","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phonet: free phonet_device after RCU grace period\n\nphonet_device_destroy() removes a phonet_device from the per-net device\nlist with list_del_rcu(), but frees it immediately. RCU readers walking\nthe same list can still hold a pointer to the object after it has been\nremoved, leading to a slab-use-after-free.\n\nUse kfree_rcu(), matching the lifetime rule already used by\nphonet_address_del() for the same object type.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:33","updated_at":"2026-06-25 09:16:33"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/52b8f5ef82c886f7cd24617915e4b1579ddfd001","name":"https://git.kernel.org/stable/c/52b8f5ef82c886f7cd24617915e4b1579ddfd001","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/71de0177b28da751f407581a4515cf4d762f6296","name":"https://git.kernel.org/stable/c/71de0177b28da751f407581a4515cf4d762f6296","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bff309ea51f1395c1ef8be8b75ce62d28a319113","name":"https://git.kernel.org/stable/c/bff309ea51f1395c1ef8be8b75ce62d28a319113","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53157","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53157","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eeb74a9d45f781ec6f47b9e0a75a6a427b53f165 52b8f5ef82c886f7cd24617915e4b1579ddfd001 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eeb74a9d45f781ec6f47b9e0a75a6a427b53f165 bff309ea51f1395c1ef8be8b75ce62d28a319113 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected eeb74a9d45f781ec6f47b9e0a75a6a427b53f165 71de0177b28da751f407581a4515cf4d762f6296 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.33","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.33 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.36 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.13 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/phonet/pn_dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"52b8f5ef82c886f7cd24617915e4b1579ddfd001","status":"affected","version":"eeb74a9d45f781ec6f47b9e0a75a6a427b53f165","versionType":"git"},{"lessThan":"bff309ea51f1395c1ef8be8b75ce62d28a319113","status":"affected","version":"eeb74a9d45f781ec6f47b9e0a75a6a427b53f165","versionType":"git"},{"lessThan":"71de0177b28da751f407581a4515cf4d762f6296","status":"affected","version":"eeb74a9d45f781ec6f47b9e0a75a6a427b53f165","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/phonet/pn_dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.33"},{"lessThan":"2.6.33","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.36","versionStartIncluding":"2.6.33","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.13","versionStartIncluding":"2.6.33","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"2.6.33","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phonet: free phonet_device after RCU grace period\n\nphonet_device_destroy() removes a phonet_device from the per-net device\nlist with list_del_rcu(), but frees it immediately. RCU readers walking\nthe same list can still hold a pointer to the object after it has been\nremoved, leading to a slab-use-after-free.\n\nUse kfree_rcu(), matching the lifetime rule already used by\nphonet_address_del() for the same object type."}],"providerMetadata":{"dateUpdated":"2026-06-25T08:38:40.132Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/52b8f5ef82c886f7cd24617915e4b1579ddfd001"},{"url":"https://git.kernel.org/stable/c/bff309ea51f1395c1ef8be8b75ce62d28a319113"},{"url":"https://git.kernel.org/stable/c/71de0177b28da751f407581a4515cf4d762f6296"}],"title":"net: phonet: free phonet_device after RCU grace period","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53157","datePublished":"2026-06-25T08:38:40.132Z","dateReserved":"2026-06-09T07:44:35.388Z","dateUpdated":"2026-06-25T08:38:40.132Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:33","lastModifiedDate":"2026-06-25 09:16:33","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53157","Ordinal":"1","Title":"net: phonet: free phonet_device after RCU grace period","CVE":"CVE-2026-53157","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53157","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: phonet: free phonet_device after RCU grace period\n\nphonet_device_destroy() removes a phonet_device from the per-net device\nlist with list_del_rcu(), but frees it immediately. RCU readers walking\nthe same list can still hold a pointer to the object after it has been\nremoved, leading to a slab-use-after-free.\n\nUse kfree_rcu(), matching the lifetime rule already used by\nphonet_address_del() for the same object type.","Type":"Description","Title":"net: phonet: free phonet_device after RCU grace period"}]}}}