CVE: CVE-2024-27062

Descrizione: This log snippet is a critical piece of debugging information for a network device. Let’s break down what it means: **Core Issue: A Critical Error** The log indicates a severe error in the device’s operation. The `RIP: 0033:0x9b9870` line tells us the process is halting because of a specific instruction being executed. This instruction is a complex sequence of operations, and it’s causing the device to crash. **Detailed Breakdown of the Log Entries** * **`asm_exc_page_fault`:** This is the key indicator. The error is happening within a page fault, which is a common occurrence when the device tries to access a memory location it doesn’t have permission to read or write. * **`RBP: 00007fff9ba2e570`:** This indicates a problem with the device’s rollback register. Rollback registers are used for error recovery. The error is likely related to the rollback process. * **` RAX: 0000000000000004`:** This shows the RAX register is being used, which is a pointer to a memory location. The error is occurring while accessing this memory. * **`RDI: 0000000000000066`:** This shows the RDI register is being used, which is a pointer to a memory location. The error is occurring while accessing this memory. * **`<44>`:** This is a timestamp, indicating the time the error occurred. * **`85 a8 f7 ff ff 8b 8d 80 f7 ff ff 89 08 e9 18 f2 ff ff 0f 1f 84 00 00 00 00 00 44 89 32 e9 f8 f1 ff ff 0f 1f 84 00 00 00 00 00 66 44 89 32 e9 e7`:** This is the *actual* instruction that’s causing the crash. It’s a very long, complex sequence of instructions. It’s a bit of a mystery, but it’s a critical piece of the puzzle. **Possible Causes (Guesses – Requires Further Investigation)** Without more context, it’s difficult to pinpoint the exact cause. However, here are some possibilities: * **Memory Corruption:** The instruction might be corrupting memory, leading to a crash. * **Driver Issue:** The device driver could be malfunctioning. * **Hardware Fault:** There could be a hardware problem within the device itself. * **Software Bug:** A bug in the device’s firmware or software could be causing this. **What to Do Next (Important)** 1. **Review Device Logs:** The device vendor should have logs that provide more context about this error. 2. **Check Device Status:** Verify that the device is in a stable state. 3. **Rollback:** The device likely has a rollback mechanism. Try to trigger it (if possible and safe). 4. **Analyze the Instruction:** The most important step is to *understand* what this instruction is doing. A system administrator or network engineer needs to examine the instruction sequence to determine why it’s failing. This might involve looking at the device’s configuration, logs, and potentially running diagnostic tools. 5. **Consult Documentation:** Consult the device’s documentation for information about this specific instruction and potential causes. **In short, this log is a warning sign. It indicates a serious problem that needs immediate attention.** Let me know if you’d like me to elaborate on any of these points or if you have more context about the device or network environment.

Vettore di attacco

Riferimenti esterni

• https://git.kernel.org/stable/c/6887314f5356389fc219b8152e951ac084a10ef7
• https://git.kernel.org/stable/c/96c8751844171af4b3898fee3857ee180586f589
• https://git.kernel.org/stable/c/b7cc4ff787a572edf2c55caeffaa88cd801eb135

Prodotti interessati

• Linux – Linux
• Linux – Linux

Relazioni con altri prodotti

Produttore:Linux
Prodotto: Linux
Anno: 2024
CWE:
CVSS: 0.0

Ulteriori risorse disponibili

• Vulnerabilità scoperte nello stesso anno (2024)