{"id":"CVE-2024-38597","state":"PUBLISHED","title":"eth: sungem: remove .ndo_poll_controller to avoid deadlocks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\neth: sungem: remove .ndo_poll_controller to avoid deadlocks\n\nErhard reports netpoll warnings from sungem:\n\n  netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (gem_start_xmit+0x0/0x398)\n  WARNING: CPU: 1 PID: 1 at net/core/netpoll.c:370 netpoll_send_skb+0x1fc/0x20c\n\ngem_poll_controller() disables interrupts, which may sleep.\nWe can't sleep in netpoll, it has interrupts disabled completely.\nStrangely, gem_poll_controller() doesn't even poll the completions,\nand instead acts as if an interrupt has fired so it just schedules\nNAPI and exits. None of this has been necessary for years, since\nnetpoll invokes NAPI directly.","publishedAt":"2024-06-19T13:45:46.642Z","updatedAt":"2026-05-11T20:19:48.240Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"e22b23f5888a065d084e87db1eec639c445e677f","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"fbeeb55dbb33d562149c57e794f06b7414e44289","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"476adb3bbbd7886e8251d3b9ce2d3c3e680f35d6","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"5de5aeb98f9a000adb0db184e32765e4815d860b","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"faf94f1eb8a34b2c31b2042051ef36f63420ecce","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"6400d205fbbcbcf9b8510157e1f379c1d7e2e937","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"ac0a230f719b02432d8c7eba7615ebd691da86f4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/sun/sungem.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.1","versionType":"semver"},{"version":"5.10.219","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.161","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.93","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.33","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.8.12","status":"unaffected","lessThanOrEqual":"6.8.*","versionType":"semver"},{"version":"6.9.3","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","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/sun/sungem.c"]}],"references":["https://git.kernel.org/stable/c/e22b23f5888a065d084e87db1eec639c445e677f","https://git.kernel.org/stable/c/fbeeb55dbb33d562149c57e794f06b7414e44289","https://git.kernel.org/stable/c/476adb3bbbd7886e8251d3b9ce2d3c3e680f35d6","https://git.kernel.org/stable/c/5de5aeb98f9a000adb0db184e32765e4815d860b","https://git.kernel.org/stable/c/faf94f1eb8a34b2c31b2042051ef36f63420ecce","https://git.kernel.org/stable/c/6400d205fbbcbcf9b8510157e1f379c1d7e2e937","https://git.kernel.org/stable/c/ac0a230f719b02432d8c7eba7615ebd691da86f4"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/38xxx/CVE-2024-38597.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-38597","state":"PUBLISHED","datePublished":"2024-06-19T13:45:46.642Z","dateUpdated":"2026-05-11T20:19:48.240Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-06-18T19:36:34.932Z"},"containers":{"cna":{"title":"eth: sungem: remove .ndo_poll_controller to avoid deadlocks","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\neth: sungem: remove .ndo_poll_controller to avoid deadlocks\n\nErhard reports netpoll warnings from sungem:\n\n  netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (gem_start_xmit+0x0/0x398)\n  WARNING: CPU: 1 PID: 1 at net/core/netpoll.c:370 netpoll_send_skb+0x1fc/0x20c\n\ngem_poll_controller() disables interrupts, which may sleep.\nWe can't sleep in netpoll, it has interrupts disabled completely.\nStrangely, gem_poll_controller() doesn't even poll the completions,\nand instead acts as if an interrupt has fired so it just schedules\nNAPI and exits. None of this has been necessary for years, since\nnetpoll invokes NAPI directly."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"e22b23f5888a065d084e87db1eec639c445e677f","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"fbeeb55dbb33d562149c57e794f06b7414e44289","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"476adb3bbbd7886e8251d3b9ce2d3c3e680f35d6","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"5de5aeb98f9a000adb0db184e32765e4815d860b","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"faf94f1eb8a34b2c31b2042051ef36f63420ecce","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"6400d205fbbcbcf9b8510157e1f379c1d7e2e937","versionType":"git"},{"version":"fe09bb619096a0aa139210748ddc668c2dbe2308","status":"affected","lessThan":"ac0a230f719b02432d8c7eba7615ebd691da86f4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/sun/sungem.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.1","versionType":"semver"},{"version":"5.10.219","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.161","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.93","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.33","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.8.12","status":"unaffected","lessThanOrEqual":"6.8.*","versionType":"semver"},{"version":"6.9.3","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","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/sun/sungem.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e22b23f5888a065d084e87db1eec639c445e677f"},{"url":"https://git.kernel.org/stable/c/fbeeb55dbb33d562149c57e794f06b7414e44289"},{"url":"https://git.kernel.org/stable/c/476adb3bbbd7886e8251d3b9ce2d3c3e680f35d6"},{"url":"https://git.kernel.org/stable/c/5de5aeb98f9a000adb0db184e32765e4815d860b"},{"url":"https://git.kernel.org/stable/c/faf94f1eb8a34b2c31b2042051ef36f63420ecce"},{"url":"https://git.kernel.org/stable/c/6400d205fbbcbcf9b8510157e1f379c1d7e2e937"},{"url":"https://git.kernel.org/stable/c/ac0a230f719b02432d8c7eba7615ebd691da86f4"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:19:48.240Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"5.10.219"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"5.15.161"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.1.93"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.6.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.8.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.9.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.10"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE 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