{"id":"CVE-2023-52626","state":"PUBLISHED","title":"net/mlx5e: Fix operation precedence bug in port timestamping napi_poll context","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix operation precedence bug in port timestamping napi_poll context\n\nIndirection (*) is of lower precedence than postfix increment (++). Logic\nin napi_poll context would cause an out-of-bound read by first increment\nthe pointer address by byte address space and then dereference the value.\nRather, the intended logic was to dereference first and then increment the\nunderlying value.","publishedAt":"2024-03-26T17:49:59.220Z","updatedAt":"2026-05-23T15:26:34.083Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e5d30f7da35720060299483e65fc372980a82dfb","status":"affected","lessThan":"40e0d0746390c5b0c31144f4f1688d72f3f8d790","versionType":"git"},{"version":"92214be5979c0961a471b7eaaaeacab41bdf456c","status":"affected","lessThan":"33cdeae8c6fb58cc445f859b67c014dc9f60b4e0","versionType":"git"},{"version":"92214be5979c0961a471b7eaaaeacab41bdf456c","status":"affected","lessThan":"3876638b2c7ebb2c9d181de1191db0de8cac143a","versionType":"git"},{"version":"42b11d1293e5a0f932c0b6e891b2c7bae57b839d","status":"affected","versionType":"git"},{"version":"6.6.3","status":"affected","lessThan":"6.6.15","versionType":"semver"},{"version":"6.5.13","status":"affected","lessThan":"6.6","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.6.15","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.3","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c"]}],"references":["https://git.kernel.org/stable/c/40e0d0746390c5b0c31144f4f1688d72f3f8d790","https://git.kernel.org/stable/c/33cdeae8c6fb58cc445f859b67c014dc9f60b4e0","https://git.kernel.org/stable/c/3876638b2c7ebb2c9d181de1191db0de8cac143a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52626.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52626","state":"PUBLISHED","datePublished":"2024-03-26T17:49:59.220Z","dateUpdated":"2026-05-23T15:26:34.083Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-03-06T09:52:12.090Z"},"containers":{"cna":{"title":"net/mlx5e: Fix operation precedence bug in port timestamping napi_poll context","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix operation precedence bug in port timestamping napi_poll context\n\nIndirection (*) is of lower precedence than postfix increment (++). Logic\nin napi_poll context would cause an out-of-bound read by first increment\nthe pointer address by byte address space and then dereference the value.\nRather, the intended logic was to dereference first and then increment the\nunderlying value."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e5d30f7da35720060299483e65fc372980a82dfb","status":"affected","lessThan":"40e0d0746390c5b0c31144f4f1688d72f3f8d790","versionType":"git"},{"version":"92214be5979c0961a471b7eaaaeacab41bdf456c","status":"affected","lessThan":"33cdeae8c6fb58cc445f859b67c014dc9f60b4e0","versionType":"git"},{"version":"92214be5979c0961a471b7eaaaeacab41bdf456c","status":"affected","lessThan":"3876638b2c7ebb2c9d181de1191db0de8cac143a","versionType":"git"},{"version":"42b11d1293e5a0f932c0b6e891b2c7bae57b839d","status":"affected","versionType":"git"},{"version":"6.6.3","status":"affected","lessThan":"6.6.15","versionType":"semver"},{"version":"6.5.13","status":"affected","lessThan":"6.6","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.6.15","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.3","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/40e0d0746390c5b0c31144f4f1688d72f3f8d790"},{"url":"https://git.kernel.org/stable/c/33cdeae8c6fb58cc445f859b67c014dc9f60b4e0"},{"url":"https://git.kernel.org/stable/c/3876638b2c7ebb2c9d181de1191db0de8cac143a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:26:34.083Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.3","versionEndExcluding":"6.6.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.7.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5.13"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/40e0d0746390c5b0c31144f4f1688d72f3f8d790","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/33cdeae8c6fb58cc445f859b67c014dc9f60b4e0","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/3876638b2c7ebb2c9d181de1191db0de8cac143a","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T23:03:21.274Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52626","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:54:09.330337Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:33:43.784Z"}}]}}}