{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-48757","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-06-20T11:09:39.059Z","datePublished":"2024-06-20T11:13:36.529Z","dateUpdated":"2025-05-04T08:22:27.780Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:22:27.780Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fix information leakage in /proc/net/ptype\n\nIn one net namespace, after creating a packet socket without binding\nit to a device, users in other net namespaces can observe the new\n`packet_type` added by this packet socket by reading `/proc/net/ptype`\nfile. This is minor information leakage as packet socket is\nnamespace aware.\n\nAdd a net pointer in `packet_type` to keep the net namespace of\nof corresponding packet socket. In `ptype_seq_show`, this net pointer\nmust be checked when it is not NULL."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/netdevice.h","net/core/net-procfs.c","net/packet/af_packet.c"],"versions":[{"version":"2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50","lessThan":"8f88c78d24f6f346919007cd459fd7e51a8c7779","status":"affected","versionType":"git"},{"version":"2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50","lessThan":"be1ca30331c7923c6f376610c1bd6059be9b1908","status":"affected","versionType":"git"},{"version":"2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50","lessThan":"c38023032a598ec6263e008d62c7f02def72d5c7","status":"affected","versionType":"git"},{"version":"2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50","lessThan":"b67ad6170c0ea87391bb253f35d1f78857736e54","status":"affected","versionType":"git"},{"version":"2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50","lessThan":"e372ecd455b6ebc7720f52bf4b5f5d44d02f2092","status":"affected","versionType":"git"},{"version":"2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50","lessThan":"db044d97460ea792110eb8b971e82569ded536c6","status":"affected","versionType":"git"},{"version":"2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50","lessThan":"e43669c77cb3a742b7d84ecdc7c68c4167a7709b","status":"affected","versionType":"git"},{"version":"2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50","lessThan":"839ec7039513a4f84bfbaff953a9393471176bee","status":"affected","versionType":"git"},{"version":"2feb27dbe00cbb4f7d31f90acf6bd0d751dd0a50","lessThan":"47934e06b65637c88a762d9c98329ae6e3238888","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/netdevice.h","net/core/net-procfs.c","net/packet/af_packet.c"],"versions":[{"version":"2.6.26","status":"affected"},{"version":"0","lessThan":"2.6.26","status":"unaffected","versionType":"semver"},{"version":"4.4.302","lessThanOrEqual":"4.4.*","status":"unaffected","versionType":"semver"},{"version":"4.9.300","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.265","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.228","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.176","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.96","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.19","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.5","lessThanOrEqual":"5.16.*","status":"unaffected","versionType":"semver"},{"version":"5.17","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":"2.6.26","versionEndExcluding":"4.4.302"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"4.9.300"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"4.14.265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"4.19.228"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.4.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.10.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.15.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.16.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.26","versionEndExcluding":"5.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8f88c78d24f6f346919007cd459fd7e51a8c7779"},{"url":"https://git.kernel.org/stable/c/be1ca30331c7923c6f376610c1bd6059be9b1908"},{"url":"https://git.kernel.org/stable/c/c38023032a598ec6263e008d62c7f02def72d5c7"},{"url":"https://git.kernel.org/stable/c/b67ad6170c0ea87391bb253f35d1f78857736e54"},{"url":"https://git.kernel.org/stable/c/e372ecd455b6ebc7720f52bf4b5f5d44d02f2092"},{"url":"https://git.kernel.org/stable/c/db044d97460ea792110eb8b971e82569ded536c6"},{"url":"https://git.kernel.org/stable/c/e43669c77cb3a742b7d84ecdc7c68c4167a7709b"},{"url":"https://git.kernel.org/stable/c/839ec7039513a4f84bfbaff953a9393471176bee"},{"url":"https://git.kernel.org/stable/c/47934e06b65637c88a762d9c98329ae6e3238888"}],"title":"net: 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