{"id":"CVE-2026-99089","aliases":[],"title":"ASoC: samsung: i2s: enable op_clk in probe to balance runtime PM","titleSource":"Linux","descriptionSource":"Linux","products":[{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"48279c53fd1d09dc0d1b6ebb9f21732c507cea0b","status":"affected","lessThan":"2c64c30d493d82d5edc95811cede0083e1195822","versionType":"git"},{"version":"48279c53fd1d09dc0d1b6ebb9f21732c507cea0b","status":"affected","lessThan":"5dac6bf09b5a4fff2433629801309c3884c3e94a","versionType":"git"},{"version":"48279c53fd1d09dc0d1b6ebb9f21732c507cea0b","status":"affected","lessThan":"64bb35079dcbc67901da1fe8c52c234cbcd17df3","versionType":"git"},{"version":"48279c53fd1d09dc0d1b6ebb9f21732c507cea0b","status":"affected","lessThan":"a728c12f8bd89947894e227d0f4f83a895ac9ab7","versionType":"git"},{"version":"48279c53fd1d09dc0d1b6ebb9f21732c507cea0b","status":"affected","lessThan":"7529254014764ae0b8c33d5c61a58f36c65b1a1c","versionType":"git"}],"defaultStatus":"unaffected","source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99089"},{"vendor":"Linux","name":"Linux","platforms":[],"versions":[{"version":"4.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.17","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.11","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"defaultStatus":"affected","source":"Linux","url":"https://www.cve.org/CVERecord?id=CVE-2026-99089"}],"remediation":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: samsung: i2s: enable op_clk in probe to balance runtime PM\n\nThe probe function puts the device into the runtime PM active state with\nonly the \"iis\" bus clock enabled, but it also sets priv->op_clk to the\nparent of the RCLK_SRC mux without enabling it. The runtime PM suspend\ncallback disables both clocks, so the first runtime suspend after probe\ndisables op_clk once more than it was enabled.\n\nOn Exynos5250 Arndale both clocks resolve to the same EXYNOS_I2S_BUS gate,\nso this triggers the following warning during boot:\n\n WARNING: drivers/clk/clk.c:1270 at clk_core_disable+0xe4/0x23c, CPU#0: kworker/u8:3/45\n i2s_bus already disabled\n ...\n Workqueue: pm pm_runtime_work\n Call trace:\n  ...\n  clk_core_disable from clk_disable+0x28/0x34\n  clk_disable from i2s_runtime_suspend+0x58/0x68 [snd_soc_i2s]\n  i2s_runtime_suspend [snd_soc_i2s] from genpd_runtime_suspend+0xc4/0x298\n  genpd_runtime_suspend from __rpm_callback+0x48/0x18c\n  __rpm_callback from rpm_callback+0x4c/0x50\n  rpm_callback from rpm_suspend+0xf4/0x718\n  rpm_suspend from pm_runtime_work+0x9c/0xa0\n  ...\n\nFix this by enabling op_clk in probe right after getting it, so the clock\nstate matches the runtime PM active state, and by disabling it in remove.","severity":"unknown","score":null,"published":"2026-10-26T14:51:59.055Z","modified":"2026-10-26T14:51:59.055Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://git.kernel.org/stable/c/2c64c30d493d82d5edc95811cede0083e1195822","https://git.kernel.org/stable/c/5dac6bf09b5a4fff2433629801309c3884c3e94a","https://git.kernel.org/stable/c/64bb35079dcbc67901da1fe8c52c234cbcd17df3","https://git.kernel.org/stable/c/a728c12f8bd89947894e227d0f4f83a895ac9ab7","https://git.kernel.org/stable/c/7529254014764ae0b8c33d5c61a58f36c65b1a1c"],"sources":[{"name":"CVE","id":"CVE-2026-99089","modified":"2026-10-26T14:51:59.055Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-99089"}],"assessments":[],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T04:50:31.701Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}