{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-22T04:47:31.669","vulnerabilities":[{"cve":{"id":"CVE-2023-53987","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-12-24T11:15:51.597","lastModified":"2026-06-17T06:46:29.500","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nping: Fix potentail NULL deref for /proc/net/icmp.\n\nAfter commit dbca1596bbb0 (\"ping: convert to RCU lookups, get rid\nof rwlock\"), we use RCU for ping sockets, but we should use spinlock\nfor /proc/net/icmp to avoid a potential NULL deref mentioned in\nthe previous patch.\n\nLet's go back to using spinlock there.\n\nNote we can convert ping sockets to use hlist instead of hlist_nulls\nbecause we do not use SLAB_TYPESAFE_BY_RCU for ping sockets."}],"affected":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","affectedData":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["net/ipv4/ping.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"dbca1596bbb08318f5e3b3b99f8ca0a0d3830a65","lessThan":"5a08a32e624908890aa0a2eb442bb6a7669891a8","versionType":"git","status":"affected"},{"version":"dbca1596bbb08318f5e3b3b99f8ca0a0d3830a65","lessThan":"176cbb6da28f36506cc60a4bec4ab8df0c16713a","versionType":"git","status":"affected"},{"version":"dbca1596bbb08318f5e3b3b99f8ca0a0d3830a65","lessThan":"ab5fb73ffa01072b4d8031cc05801fa1cb653bee","versionType":"git","status":"affected"},{"version":"de3d723a3985f282a8c9e468d1e198616eb291c8","versionType":"git","status":"affected"},{"version":"5.19.2","lessThan":"5.20","versionType":"semver","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["net/ipv4/ping.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"6.0","status":"affected"},{"version":"0","lessThan":"6.0","versionType":"semver","status":"unaffected"},{"version":"6.1.24","lessThanOrEqual":"6.1.*","versionType":"semver","status":"unaffected"},{"version":"6.2.11","lessThanOrEqual":"6.2.*","versionType":"semver","status":"unaffected"},{"version":"6.3","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/176cbb6da28f36506cc60a4bec4ab8df0c16713a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5a08a32e624908890aa0a2eb442bb6a7669891a8","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ab5fb73ffa01072b4d8031cc05801fa1cb653bee","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}