{"id":"CVE-2025-38094","state":"PUBLISHED","title":"net: cadence: macb: Fix a possible deadlock in macb_halt_tx.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cadence: macb: Fix a possible deadlock in macb_halt_tx.\n\nThere is a situation where after THALT is set high, TGO stays high as\nwell. Because jiffies are never updated, as we are in a context with\ninterrupts disabled, we never exit that loop and have a deadlock.\n\nThat deadlock was noticed on a sama5d4 device that stayed locked for days.\n\nUse retries instead of jiffies so that the timeout really works and we do\nnot have a deadlock anymore.","publishedAt":"2025-07-03T07:44:17.442Z","updatedAt":"2026-05-11T21:21:08.826Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"0772a608d799ac0d127c0a36047a2725777aba9d","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"64675a9c00443b2e8af42af08c38fc1b78b68ba2","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"aace6b63892ce8307e502a60fe2f5a4bc6e1cfe7","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"1d60c0781c1bbeaa1196b0d8aad5c435f06cb7c4","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"3e64d35475aa21d13dab71da51de51923c1a3a48","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"84f98955a9de0e0f591df85aa1a44f3ebcf1cb37","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"c92d6089d8ad7d4d815ebcedee3f3907b539ff1f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cadence/macb_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.8","versionType":"semver"},{"version":"5.10.238","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.184","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.140","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.92","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.30","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.8","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","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/cadence/macb_main.c"]}],"references":["https://git.kernel.org/stable/c/0772a608d799ac0d127c0a36047a2725777aba9d","https://git.kernel.org/stable/c/64675a9c00443b2e8af42af08c38fc1b78b68ba2","https://git.kernel.org/stable/c/aace6b63892ce8307e502a60fe2f5a4bc6e1cfe7","https://git.kernel.org/stable/c/1d60c0781c1bbeaa1196b0d8aad5c435f06cb7c4","https://git.kernel.org/stable/c/3e64d35475aa21d13dab71da51de51923c1a3a48","https://git.kernel.org/stable/c/84f98955a9de0e0f591df85aa1a44f3ebcf1cb37","https://git.kernel.org/stable/c/c92d6089d8ad7d4d815ebcedee3f3907b539ff1f","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html","https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38094.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38094","state":"PUBLISHED","datePublished":"2025-07-03T07:44:17.442Z","dateUpdated":"2026-05-11T21:21:08.826Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.984Z"},"containers":{"cna":{"title":"net: cadence: macb: Fix a possible deadlock in macb_halt_tx.","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: cadence: macb: Fix a possible deadlock in macb_halt_tx.\n\nThere is a situation where after THALT is set high, TGO stays high as\nwell. Because jiffies are never updated, as we are in a context with\ninterrupts disabled, we never exit that loop and have a deadlock.\n\nThat deadlock was noticed on a sama5d4 device that stayed locked for days.\n\nUse retries instead of jiffies so that the timeout really works and we do\nnot have a deadlock anymore."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"0772a608d799ac0d127c0a36047a2725777aba9d","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"64675a9c00443b2e8af42af08c38fc1b78b68ba2","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"aace6b63892ce8307e502a60fe2f5a4bc6e1cfe7","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"1d60c0781c1bbeaa1196b0d8aad5c435f06cb7c4","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"3e64d35475aa21d13dab71da51de51923c1a3a48","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"84f98955a9de0e0f591df85aa1a44f3ebcf1cb37","versionType":"git"},{"version":"e86cd53afc5907f7c221b709916e2dd354e14691","status":"affected","lessThan":"c92d6089d8ad7d4d815ebcedee3f3907b539ff1f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cadence/macb_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.8","versionType":"semver"},{"version":"5.10.238","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.184","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.140","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.92","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.30","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.8","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","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/cadence/macb_main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0772a608d799ac0d127c0a36047a2725777aba9d"},{"url":"https://git.kernel.org/stable/c/64675a9c00443b2e8af42af08c38fc1b78b68ba2"},{"url":"https://git.kernel.org/stable/c/aace6b63892ce8307e502a60fe2f5a4bc6e1cfe7"},{"url":"https://git.kernel.org/stable/c/1d60c0781c1bbeaa1196b0d8aad5c435f06cb7c4"},{"url":"https://git.kernel.org/stable/c/3e64d35475aa21d13dab71da51de51923c1a3a48"},{"url":"https://git.kernel.org/stable/c/84f98955a9de0e0f591df85aa1a44f3ebcf1cb37"},{"url":"https://git.kernel.org/stable/c/c92d6089d8ad7d4d815ebcedee3f3907b539ff1f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:21:08.826Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.10.238"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"5.15.184"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.1.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.6.92"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.12.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.14.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8","versionEndExcluding":"6.15"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T19:58:26.256Z"}}]}}}