{"id":"CVE-2024-35819","state":"PUBLISHED","title":"soc: fsl: qbman: Use raw spinlock for cgr_lock","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: fsl: qbman: Use raw spinlock for cgr_lock\n\nsmp_call_function always runs its callback in hard IRQ context, even on\nPREEMPT_RT, where spinlocks can sleep. So we need to use a raw spinlock\nfor cgr_lock to ensure we aren't waiting on a sleeping task.\n\nAlthough this bug has existed for a while, it was not apparent until\ncommit ef2a8d5478b9 (\"net: dpaa: Adjust queue depth on rate change\")\nwhich invokes smp_call_function_single via qman_update_cgr_safe every\ntime a link goes up or down.","publishedAt":"2024-05-17T13:23:23.031Z","updatedAt":"2026-05-23T15:43:32.535Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"96f413f47677366e0ae03797409bfcc4151dbf9e","status":"affected","lessThan":"2b3fede8225133671ce837c0d284804aa3bc7a02","versionType":"git"},{"version":"96f413f47677366e0ae03797409bfcc4151dbf9e","status":"affected","lessThan":"ff50716b7d5b7985979a5b21163cd79fb3d21d59","versionType":"git"},{"version":"96f413f47677366e0ae03797409bfcc4151dbf9e","status":"affected","lessThan":"32edca2f03a6cc42c650ddc3ad83d086e3f365d1","versionType":"git"},{"version":"96f413f47677366e0ae03797409bfcc4151dbf9e","status":"affected","lessThan":"9a3ca8292ce9fdcce122706c28c3f07bc857fe5e","versionType":"git"},{"version":"96f413f47677366e0ae03797409bfcc4151dbf9e","status":"affected","lessThan":"d6b5aac451c9cc12e43ab7308e0e2ddc52c62c14","versionType":"git"},{"version":"96f413f47677366e0ae03797409bfcc4151dbf9e","status":"affected","lessThan":"54d26adf64c04f186098b39dba86b86037084baa","versionType":"git"},{"version":"96f413f47677366e0ae03797409bfcc4151dbf9e","status":"affected","lessThan":"f39d36b7540cf0088ed7ce2de2794f2aa237f6df","versionType":"git"},{"version":"96f413f47677366e0ae03797409bfcc4151dbf9e","status":"affected","lessThan":"cd53a8ae5aacb4ecd25088486dea1cd02e74b506","versionType":"git"},{"version":"96f413f47677366e0ae03797409bfcc4151dbf9e","status":"affected","lessThan":"fbec4e7fed89b579f2483041fabf9650fb0dd6bc","versionType":"git"},{"version":"a85c525bbff4d7467d7f0ab6fed8e2f787b073d6","status":"affected","versionType":"git"},{"version":"29cd9c2d1f428c281962135ea046a9d7bda88d14","status":"affected","versionType":"git"},{"version":"5b10a404419f0532ef3ba990c12bebe118adb6d7","status":"affected","versionType":"git"},{"version":"4.9.92","status":"affected","lessThan":"4.10","versionType":"semver"},{"version":"4.14.32","status":"affected","lessThan":"4.15","versionType":"semver"},{"version":"4.15.15","status":"affected","lessThan":"4.16","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soc/fsl/qbman/qman.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","versionType":"semver"},{"version":"4.19.312","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.274","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.215","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.154","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.84","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.24","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.12","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8.3","status":"unaffected","lessThanOrEqual":"6.8.*","versionType":"semver"},{"version":"6.9","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soc/fsl/qbman/qman.c"]}],"references":["https://git.kernel.org/stable/c/2b3fede8225133671ce837c0d284804aa3bc7a02","https://git.kernel.org/stable/c/ff50716b7d5b7985979a5b21163cd79fb3d21d59","https://git.kernel.org/stable/c/32edca2f03a6cc42c650ddc3ad83d086e3f365d1","https://git.kernel.org/stable/c/9a3ca8292ce9fdcce122706c28c3f07bc857fe5e","https://git.kernel.org/stable/c/d6b5aac451c9cc12e43ab7308e0e2ddc52c62c14","https://git.kernel.org/stable/c/54d26adf64c04f186098b39dba86b86037084baa","https://git.kernel.org/stable/c/f39d36b7540cf0088ed7ce2de2794f2aa237f6df","https://git.kernel.org/stable/c/cd53a8ae5aacb4ecd25088486dea1cd02e74b506","https://git.kernel.org/stable/c/fbec4e7fed89b579f2483041fabf9650fb0dd6bc","https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:30.303Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/35xxx/CVE-2024-35819.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-35819","state":"PUBLISHED","datePublished":"2024-05-17T13:23:23.031Z","dateUpdated":"2026-05-23T15:43:32.535Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-17T12:19:12.343Z"},"containers":{"cna":{"title":"soc: 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