Answer in brief
CVE-2024-42253 records a Unknown severity vulnerability in gpio: pca953x: fix pca953x_irq_bus_sync_unlock race. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=44896beae605b93f2232301befccb7ef42953198 <58a5c93bd1a6e949267400080f07e57ffe05ec34 || >=44896beae605b93f2232301befccb7ef42953198 <e2ecdddca80dd845df42376e4b0197fe97018ba2 || >=44896beae605b93f2232301befccb7ef42953198 <de7cffa53149c7b48bd1bb29b02390c9f05b7f41 || >=44896beae605b93f2232301befccb7ef42953198 <bfc6444b57dc7186b6acc964705d7516cbaf3904 | 58a5c93bd1a6e949267400080f07e57ffe05ec34, e2ecdddca80dd845df42376e4b0197fe97018ba2, de7cffa53149c7b48bd1bb29b02390c9f05b7f41, bfc6444b57dc7186b6acc964705d7516cbaf3904 |
| Linux/Linuxgeneric | 4.7 | Not reported |
Published upstream
Aug 8, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2024-42253 records a Unknown severity vulnerability in gpio: pca953x: fix pca953x_irq_bus_sync_unlock race. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=44896beae605b93f2232301befccb7ef42953198 <58a5c93bd1a6e949267400080f07e57ffe05ec34 || >=44896beae605b93f2232301befccb7ef42953198 <e2ecdddca80dd845df42376e4b0197fe97018ba2 || >=44896beae605b93f2232301befccb7ef42953198 <de7cffa53149c7b48bd1bb29b02390c9f05b7f41 || >=44896beae605b93f2232301befccb7ef42953198 <bfc6444b57dc7186b6acc964705d7516cbaf3904 | 58a5c93bd1a6e949267400080f07e57ffe05ec34, e2ecdddca80dd845df42376e4b0197fe97018ba2, de7cffa53149c7b48bd1bb29b02390c9f05b7f41, bfc6444b57dc7186b6acc964705d7516cbaf3904 |
| Linux/Linuxgeneric | 4.7 | Not reported |
Published upstream
Aug 8, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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
Quoted source text, attributed separately from HOL analysis.