{"id":"CVE-2023-54259","state":"PUBLISHED","title":"soundwire: bus: Fix unbalanced pm_runtime_put() causing usage count underflow","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoundwire: bus: Fix unbalanced pm_runtime_put() causing usage count underflow\n\nThis reverts commit\n443a98e649b4 (\"soundwire: bus: use pm_runtime_resume_and_get()\")\n\nChange calls to pm_runtime_resume_and_get() back to pm_runtime_get_sync().\nThis fixes a usage count underrun caused by doing a pm_runtime_put() even\nthough pm_runtime_resume_and_get() returned an error.\n\nThe three affected functions ignore -EACCES error from trying to get\npm_runtime, and carry on, including a put at the end of the function.\nBut pm_runtime_resume_and_get() does not increment the usage count if it\nreturns an error. So in the -EACCES case you must not call\npm_runtime_put().\n\nThe documentation for pm_runtime_get_sync() says:\n \"Consider using pm_runtime_resume_and_get() ...  as this is likely to\n result in cleaner code.\"\n\nIn this case I don't think it results in cleaner code because the\npm_runtime_put() at the end of the function would have to be conditional on\nthe return value from pm_runtime_resume_and_get() at the top of the\nfunction.\n\npm_runtime_get_sync() doesn't have this problem because it always\nincrements the count, so always needs a put. The code can just flow through\nand do the pm_runtime_put() unconditionally.","publishedAt":"2025-12-30T12:15:53.540Z","updatedAt":"2026-05-11T19:58:30.911Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"443a98e649b469b4e6a2832799853a5764ef9002","status":"affected","lessThan":"4e5e9da139c007dfc397a159093b4c4187ee67fa","versionType":"git"},{"version":"443a98e649b469b4e6a2832799853a5764ef9002","status":"affected","lessThan":"203aa4374c433159f163acde2d0bd4118f23bbaf","versionType":"git"},{"version":"443a98e649b469b4e6a2832799853a5764ef9002","status":"affected","lessThan":"e9537962519e88969f5f69cd0571eb4f6984403c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soundwire/bus.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.1.30","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.4","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soundwire/bus.c"]}],"references":["https://git.kernel.org/stable/c/4e5e9da139c007dfc397a159093b4c4187ee67fa","https://git.kernel.org/stable/c/203aa4374c433159f163acde2d0bd4118f23bbaf","https://git.kernel.org/stable/c/e9537962519e88969f5f69cd0571eb4f6984403c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54259.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54259","state":"PUBLISHED","datePublished":"2025-12-30T12:15:53.540Z","dateUpdated":"2026-05-11T19:58:30.911Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:44.516Z"},"containers":{"cna":{"title":"soundwire: bus: Fix unbalanced pm_runtime_put() causing usage count underflow","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoundwire: bus: Fix unbalanced pm_runtime_put() causing usage count underflow\n\nThis reverts commit\n443a98e649b4 (\"soundwire: bus: use pm_runtime_resume_and_get()\")\n\nChange calls to pm_runtime_resume_and_get() back to pm_runtime_get_sync().\nThis fixes a usage count underrun caused by doing a pm_runtime_put() even\nthough pm_runtime_resume_and_get() returned an error.\n\nThe three affected functions ignore -EACCES error from trying to get\npm_runtime, and carry on, including a put at the end of the function.\nBut pm_runtime_resume_and_get() does not increment the usage count if it\nreturns an error. So in the -EACCES case you must not call\npm_runtime_put().\n\nThe documentation for pm_runtime_get_sync() says:\n \"Consider using pm_runtime_resume_and_get() ...  as this is likely to\n result in cleaner code.\"\n\nIn this case I don't think it results in cleaner code because the\npm_runtime_put() at the end of the function would have to be conditional on\nthe return value from pm_runtime_resume_and_get() at the top of the\nfunction.\n\npm_runtime_get_sync() doesn't have this problem because it always\nincrements the count, so always needs a put. The code can just flow through\nand do the pm_runtime_put() unconditionally."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"443a98e649b469b4e6a2832799853a5764ef9002","status":"affected","lessThan":"4e5e9da139c007dfc397a159093b4c4187ee67fa","versionType":"git"},{"version":"443a98e649b469b4e6a2832799853a5764ef9002","status":"affected","lessThan":"203aa4374c433159f163acde2d0bd4118f23bbaf","versionType":"git"},{"version":"443a98e649b469b4e6a2832799853a5764ef9002","status":"affected","lessThan":"e9537962519e88969f5f69cd0571eb4f6984403c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soundwire/bus.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.1.30","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.4","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soundwire/bus.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4e5e9da139c007dfc397a159093b4c4187ee67fa"},{"url":"https://git.kernel.org/stable/c/203aa4374c433159f163acde2d0bd4118f23bbaf"},{"url":"https://git.kernel.org/stable/c/e9537962519e88969f5f69cd0571eb4f6984403c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:58:30.911Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.1.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.3.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}