DEBIAN-CVE-2024-42253
Record from OSV · Published August 8, 2024
In the Linux kernel, the following vulnerability has been resolved: gpio: pca953x: fix pca953x_irq_bus_sync_unlock race Ensure that `i2c_lock' is held when setting interrupt latch and mask in pca953x_irq_bus_sync_unlock() in order to avoid races. The other (non-probe) call site pca953x_gpio_set_multiple() ensures the lock is held before calling pca953x_write_regs(). The problem occurred when a request raced against irq_bus_sync_unlock() approximately once per thousand reboots on an i.MX8MP based system. * Normal case 0-0022: write register AI|3a {03,02,00,00,01} Input latch P0 0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0 0-0022: write register AI|08 {ff,00,00,00,00} Output P3 0-0022: write register AI|12 {fc,00,00,00,00} Config P3 * Race case 0-0022: write register AI|08 {ff,00,00,00,00} Output P3 0-0022: write register AI|08 {03,02,00,00,01} *** Wrong register *** 0-0022: write register AI|12 {fc,00,00,00,00} Config P3 0-0022: write register AI|49 {fc,fd,ff,ff,fe} Interrupt mask P0
Fixed versions
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| Package | Ecosystem | Fixed in |
|---|---|---|
| linux | Debian:12 | 6.1.106-1 |
| linux | Debian:14 | 6.9.11-1 |
| linux | Debian:13 | 6.9.11-1 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | linux | 6.1.99-1, 0, 6.1.27-1 |
| Debian:14 | linux | 0 |
| Debian:13 | linux | 0 |
Timeline
- Aug 8, 2024 CVE Published
- Sep 15, 2026 CVE Updated
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