{"id":"CVE-2026-23308","state":"PUBLISHED","title":"pinctrl: equilibrium: fix warning trace on load","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: equilibrium: fix warning trace on load\n\nThe callback functions 'eqbr_irq_mask()' and 'eqbr_irq_ack()' are also\ncalled in the callback function 'eqbr_irq_mask_ack()'. This is done to\navoid source code duplication. The problem, is that in the function\n'eqbr_irq_mask()' also calles the gpiolib function 'gpiochip_disable_irq()'\n\nThis generates the following warning trace in the log for every gpio on\nload.\n\n[    6.088111] ------------[ cut here ]------------\n[    6.092440] WARNING: CPU: 3 PID: 1 at drivers/gpio/gpiolib.c:3810 gpiochip_disable_irq+0x39/0x50\n[    6.097847] Modules linked in:\n[    6.097847] CPU: 3 UID: 0 PID: 1 Comm: swapper/0 Tainted: G        W          6.12.59+ #0\n[    6.097847] Tainted: [W]=WARN\n[    6.097847] RIP: 0010:gpiochip_disable_irq+0x39/0x50\n[    6.097847] Code: 39 c6 48 19 c0 21 c6 48 c1 e6 05 48 03 b2 38 03 00 00 48 81 fe 00 f0 ff ff 77 11 48 8b 46 08 f6 c4 02 74 06 f0 80 66 09 fb c3 <0f> 0b 90 0f 1f 40 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40\n[    6.097847] RSP: 0000:ffffc9000000b830 EFLAGS: 00010046\n[    6.097847] RAX: 0000000000000045 RBX: ffff888001be02a0 RCX: 0000000000000008\n[    6.097847] RDX: ffff888001be9000 RSI: ffff888001b2dd00 RDI: ffff888001be02a0\n[    6.097847] RBP: ffffc9000000b860 R08: 0000000000000000 R09: 0000000000000000\n[    6.097847] R10: 0000000000000001 R11: ffff888001b2a154 R12: ffff888001be0514\n[    6.097847] R13: ffff888001be02a0 R14: 0000000000000008 R15: 0000000000000000\n[    6.097847] FS:  0000000000000000(0000) GS:ffff888041d80000(0000) knlGS:0000000000000000\n[    6.097847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[    6.097847] CR2: 0000000000000000 CR3: 0000000003030000 CR4: 00000000001026b0\n[    6.097847] Call Trace:\n[    6.097847]  <TASK>\n[    6.097847]  ? eqbr_irq_mask+0x63/0x70\n[    6.097847]  ? no_action+0x10/0x10\n[    6.097847]  eqbr_irq_mask_ack+0x11/0x60\n\nIn an other driver (drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c) the\ninterrupt is not disabled here.\n\nTo fix this, do not call the 'eqbr_irq_mask()' and 'eqbr_irq_ack()'\nfunction. Implement instead this directly without disabling the interrupts.","publishedAt":"2026-03-25T10:27:03.536Z","updatedAt":"2026-05-11T22:04:22.327Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"52066a53bd116a2f41d04d99b5095c02ad8cf953","status":"affected","lessThan":"896449ad9053a42c6c710aeae6175170176cabd0","versionType":"git"},{"version":"52066a53bd116a2f41d04d99b5095c02ad8cf953","status":"affected","lessThan":"af3b0ec98dc1133521b612f8009fdd36b612aabe","versionType":"git"},{"version":"52066a53bd116a2f41d04d99b5095c02ad8cf953","status":"affected","lessThan":"53eba152810ef0fff8567b13ea0f62d48e62df6b","versionType":"git"},{"version":"52066a53bd116a2f41d04d99b5095c02ad8cf953","status":"affected","lessThan":"ec54546e8d8a50a9824c139a127a8459d1b0b1bb","versionType":"git"},{"version":"52066a53bd116a2f41d04d99b5095c02ad8cf953","status":"affected","lessThan":"3e00b1b332e54ba50cca6691f628b9c06574024f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/pinctrl-equilibrium.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.77","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/pinctrl-equilibrium.c"]}],"references":["https://git.kernel.org/stable/c/896449ad9053a42c6c710aeae6175170176cabd0","https://git.kernel.org/stable/c/af3b0ec98dc1133521b612f8009fdd36b612aabe","https://git.kernel.org/stable/c/53eba152810ef0fff8567b13ea0f62d48e62df6b","https://git.kernel.org/stable/c/ec54546e8d8a50a9824c139a127a8459d1b0b1bb","https://git.kernel.org/stable/c/3e00b1b332e54ba50cca6691f628b9c06574024f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23308.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23308","state":"PUBLISHED","datePublished":"2026-03-25T10:27:03.536Z","dateUpdated":"2026-05-11T22:04:22.327Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.994Z"},"containers":{"cna":{"title":"pinctrl: equilibrium: fix warning trace on load","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: equilibrium: fix warning trace on load\n\nThe callback functions 'eqbr_irq_mask()' and 'eqbr_irq_ack()' are also\ncalled in the callback function 'eqbr_irq_mask_ack()'. This is done to\navoid source code duplication. The problem, is that in the function\n'eqbr_irq_mask()' also calles the gpiolib function 'gpiochip_disable_irq()'\n\nThis generates the following warning trace in the log for every gpio on\nload.\n\n[    6.088111] ------------[ cut here ]------------\n[    6.092440] WARNING: CPU: 3 PID: 1 at drivers/gpio/gpiolib.c:3810 gpiochip_disable_irq+0x39/0x50\n[    6.097847] Modules linked in:\n[    6.097847] CPU: 3 UID: 0 PID: 1 Comm: swapper/0 Tainted: G        W          6.12.59+ #0\n[    6.097847] Tainted: [W]=WARN\n[    6.097847] RIP: 0010:gpiochip_disable_irq+0x39/0x50\n[    6.097847] Code: 39 c6 48 19 c0 21 c6 48 c1 e6 05 48 03 b2 38 03 00 00 48 81 fe 00 f0 ff ff 77 11 48 8b 46 08 f6 c4 02 74 06 f0 80 66 09 fb c3 <0f> 0b 90 0f 1f 40 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40\n[    6.097847] RSP: 0000:ffffc9000000b830 EFLAGS: 00010046\n[    6.097847] RAX: 0000000000000045 RBX: ffff888001be02a0 RCX: 0000000000000008\n[    6.097847] RDX: ffff888001be9000 RSI: ffff888001b2dd00 RDI: ffff888001be02a0\n[    6.097847] RBP: ffffc9000000b860 R08: 0000000000000000 R09: 0000000000000000\n[    6.097847] R10: 0000000000000001 R11: ffff888001b2a154 R12: ffff888001be0514\n[    6.097847] R13: ffff888001be02a0 R14: 0000000000000008 R15: 0000000000000000\n[    6.097847] FS:  0000000000000000(0000) GS:ffff888041d80000(0000) knlGS:0000000000000000\n[    6.097847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[    6.097847] CR2: 0000000000000000 CR3: 0000000003030000 CR4: 00000000001026b0\n[    6.097847] Call Trace:\n[    6.097847]  <TASK>\n[    6.097847]  ? eqbr_irq_mask+0x63/0x70\n[    6.097847]  ? no_action+0x10/0x10\n[    6.097847]  eqbr_irq_mask_ack+0x11/0x60\n\nIn an other driver (drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c) the\ninterrupt is not disabled here.\n\nTo fix this, do not call the 'eqbr_irq_mask()' and 'eqbr_irq_ack()'\nfunction. Implement instead this directly without disabling the interrupts."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"52066a53bd116a2f41d04d99b5095c02ad8cf953","status":"affected","lessThan":"896449ad9053a42c6c710aeae6175170176cabd0","versionType":"git"},{"version":"52066a53bd116a2f41d04d99b5095c02ad8cf953","status":"affected","lessThan":"af3b0ec98dc1133521b612f8009fdd36b612aabe","versionType":"git"},{"version":"52066a53bd116a2f41d04d99b5095c02ad8cf953","status":"affected","lessThan":"53eba152810ef0fff8567b13ea0f62d48e62df6b","versionType":"git"},{"version":"52066a53bd116a2f41d04d99b5095c02ad8cf953","status":"affected","lessThan":"ec54546e8d8a50a9824c139a127a8459d1b0b1bb","versionType":"git"},{"version":"52066a53bd116a2f41d04d99b5095c02ad8cf953","status":"affected","lessThan":"3e00b1b332e54ba50cca6691f628b9c06574024f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/pinctrl-equilibrium.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.77","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/pinctrl-equilibrium.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/896449ad9053a42c6c710aeae6175170176cabd0"},{"url":"https://git.kernel.org/stable/c/af3b0ec98dc1133521b612f8009fdd36b612aabe"},{"url":"https://git.kernel.org/stable/c/53eba152810ef0fff8567b13ea0f62d48e62df6b"},{"url":"https://git.kernel.org/stable/c/ec54546e8d8a50a9824c139a127a8459d1b0b1bb"},{"url":"https://git.kernel.org/stable/c/3e00b1b332e54ba50cca6691f628b9c06574024f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:04:22.327Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.12.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.18.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.19.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}