{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-48828","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-07-16T11:38:08.903Z","datePublished":"2024-07-16T11:44:12.660Z","dateUpdated":"2025-12-23T13:20:38.263Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-23T13:20:38.263Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: Fix ia_size underflow\n\niattr::ia_size is a loff_t, which is a signed 64-bit type. NFSv3 and\nNFSv4 both define file size as an unsigned 64-bit type. Thus there\nis a range of valid file size values an NFS client can send that is\nalready larger than Linux can handle.\n\nCurrently decode_fattr4() dumps a full u64 value into ia_size. If\nthat value happens to be larger than S64_MAX, then ia_size\nunderflows. I'm about to fix up the NFSv3 behavior as well, so let's\ncatch the underflow in the common code path: nfsd_setattr()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfsd/vfs.c"],"versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"d2211e6e34d0755f35e2f8c22d81999fa81cfc71","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"38d02ba22e43b6fc7d291cf724bc6e3b7be6626b","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"8e0ecaf7a7e57b30284d6b3289cc436100fadc48","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"da22ca1ad548429d7822011c54cfe210718e0aa7","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"e6faac3f58c7c4176b66f63def17a34232a17b0e","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfsd/vfs.c"],"versions":[{"version":"2.6.12","status":"affected"},{"version":"0","lessThan":"2.6.12","status":"unaffected","versionType":"semver"},{"version":"5.4.295","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.220","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.24","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.10","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":"2.6.12","versionEndExcluding":"5.4.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.220"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.16.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d2211e6e34d0755f35e2f8c22d81999fa81cfc71"},{"url":"https://git.kernel.org/stable/c/38d02ba22e43b6fc7d291cf724bc6e3b7be6626b"},{"url":"https://git.kernel.org/stable/c/8e0ecaf7a7e57b30284d6b3289cc436100fadc48"},{"url":"https://git.kernel.org/stable/c/da22ca1ad548429d7822011c54cfe210718e0aa7"},{"url":"https://git.kernel.org/stable/c/e6faac3f58c7c4176b66f63def17a34232a17b0e"}],"title":"NFSD: Fix ia_size underflow","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T15:25:01.551Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/38d02ba22e43b6fc7d291cf724bc6e3b7be6626b","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/8e0ecaf7a7e57b30284d6b3289cc436100fadc48","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/da22ca1ad548429d7822011c54cfe210718e0aa7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/e6faac3f58c7c4176b66f63def17a34232a17b0e","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48828","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:57:36.884780Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:34:11.355Z"}}]}}