{"id":"CVE-2022-49199","state":"PUBLISHED","title":"RDMA/nldev: Prevent underflow in nldev_stat_set_counter_dynamic_doit()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/nldev: Prevent underflow in nldev_stat_set_counter_dynamic_doit()\n\nThis code checks \"index\" for an upper bound but it does not check for\nnegatives.  Change the type to unsigned to prevent underflows.","publishedAt":"2025-02-26T01:55:42.120Z","updatedAt":"2026-05-11T18:55:03.256Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"f6dd8669b8299a3a536cd92a7069152a7704da1d","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"2a495ef04d5f42e6f00eb2bec1ee9075e3d5a771","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"87e0eacb176f9500c2063d140c0a1d7fa51ab8a5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/nldev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/nldev.c"]}],"references":["https://git.kernel.org/stable/c/f6dd8669b8299a3a536cd92a7069152a7704da1d","https://git.kernel.org/stable/c/2a495ef04d5f42e6f00eb2bec1ee9075e3d5a771","https://git.kernel.org/stable/c/87e0eacb176f9500c2063d140c0a1d7fa51ab8a5"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49199.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49199","state":"PUBLISHED","datePublished":"2025-02-26T01:55:42.120Z","dateUpdated":"2026-05-11T18:55:03.256Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.291Z"},"containers":{"cna":{"title":"RDMA/nldev: Prevent underflow in nldev_stat_set_counter_dynamic_doit()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/nldev: Prevent underflow in nldev_stat_set_counter_dynamic_doit()\n\nThis code checks \"index\" for an upper bound but it does not check for\nnegatives.  Change the type to unsigned to prevent underflows."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"f6dd8669b8299a3a536cd92a7069152a7704da1d","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"2a495ef04d5f42e6f00eb2bec1ee9075e3d5a771","versionType":"git"},{"version":"3c3c1f1416392382faa0238e76a70d7810aab2ef","status":"affected","lessThan":"87e0eacb176f9500c2063d140c0a1d7fa51ab8a5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/nldev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/nldev.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f6dd8669b8299a3a536cd92a7069152a7704da1d"},{"url":"https://git.kernel.org/stable/c/2a495ef04d5f42e6f00eb2bec1ee9075e3d5a771"},{"url":"https://git.kernel.org/stable/c/87e0eacb176f9500c2063d140c0a1d7fa51ab8a5"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:55:03.256Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}