一、 漏洞 CVE-2024-50040 基础信息
漏洞标题
CVE-2019-0120漏洞标题:igb:在非致命错误后不将设备上线
来源:AIGC 神龙大模型
漏洞描述信息
N/A
来源:AIGC 神龙大模型
CVSS信息
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
来源:AIGC 神龙大模型
漏洞类别
对异常条件的处理不恰当
来源:AIGC 神龙大模型
漏洞标题
igb: Do not bring the device up after non-fatal error
来源:美国国家漏洞数据库 NVD
漏洞描述信息
In the Linux kernel, the following vulnerability has been resolved: igb: Do not bring the device up after non-fatal error Commit 004d25060c78 ("igb: Fix igb_down hung on surprise removal") changed igb_io_error_detected() to ignore non-fatal pcie errors in order to avoid hung task that can happen when igb_down() is called multiple times. This caused an issue when processing transient non-fatal errors. igb_io_resume(), which is called after igb_io_error_detected(), assumes that device is brought down by igb_io_error_detected() if the interface is up. This resulted in panic with stacktrace below. [ T3256] igb 0000:09:00.0 haeth0: igb: haeth0 NIC Link is Down [ T292] pcieport 0000:00:1c.5: AER: Uncorrected (Non-Fatal) error received: 0000:09:00.0 [ T292] igb 0000:09:00.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, (Requester ID) [ T292] igb 0000:09:00.0: device [8086:1537] error status/mask=00004000/00000000 [ T292] igb 0000:09:00.0: [14] CmpltTO [ 200.105524,009][ T292] igb 0000:09:00.0: AER: TLP Header: 00000000 00000000 00000000 00000000 [ T292] pcieport 0000:00:1c.5: AER: broadcast error_detected message [ T292] igb 0000:09:00.0: Non-correctable non-fatal error reported. [ T292] pcieport 0000:00:1c.5: AER: broadcast mmio_enabled message [ T292] pcieport 0000:00:1c.5: AER: broadcast resume message [ T292] ------------[ cut here ]------------ [ T292] kernel BUG at net/core/dev.c:6539! [ T292] invalid opcode: 0000 [#1] PREEMPT SMP [ T292] RIP: 0010:napi_enable+0x37/0x40 [ T292] Call Trace: [ T292] <TASK> [ T292] ? die+0x33/0x90 [ T292] ? do_trap+0xdc/0x110 [ T292] ? napi_enable+0x37/0x40 [ T292] ? do_error_trap+0x70/0xb0 [ T292] ? napi_enable+0x37/0x40 [ T292] ? napi_enable+0x37/0x40 [ T292] ? exc_invalid_op+0x4e/0x70 [ T292] ? napi_enable+0x37/0x40 [ T292] ? asm_exc_invalid_op+0x16/0x20 [ T292] ? napi_enable+0x37/0x40 [ T292] igb_up+0x41/0x150 [ T292] igb_io_resume+0x25/0x70 [ T292] report_resume+0x54/0x70 [ T292] ? report_frozen_detected+0x20/0x20 [ T292] pci_walk_bus+0x6c/0x90 [ T292] ? aer_print_port_info+0xa0/0xa0 [ T292] pcie_do_recovery+0x22f/0x380 [ T292] aer_process_err_devices+0x110/0x160 [ T292] aer_isr+0x1c1/0x1e0 [ T292] ? disable_irq_nosync+0x10/0x10 [ T292] irq_thread_fn+0x1a/0x60 [ T292] irq_thread+0xe3/0x1a0 [ T292] ? irq_set_affinity_notifier+0x120/0x120 [ T292] ? irq_affinity_notify+0x100/0x100 [ T292] kthread+0xe2/0x110 [ T292] ? kthread_complete_and_exit+0x20/0x20 [ T292] ret_from_fork+0x2d/0x50 [ T292] ? kthread_complete_and_exit+0x20/0x20 [ T292] ret_from_fork_asm+0x11/0x20 [ T292] </TASK> To fix this issue igb_io_resume() checks if the interface is running and the device is not down this means igb_io_error_detected() did not bring the device down and there is no need to bring it up.
来源:美国国家漏洞数据库 NVD
CVSS信息
N/A
来源:美国国家漏洞数据库 NVD
漏洞类别
N/A
来源:美国国家漏洞数据库 NVD
漏洞标题
Linux kernel 安全漏洞
来源:中国国家信息安全漏洞库 CNNVD
漏洞描述信息
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞,该漏洞源于igb驱动在处理非致命错误后设备重启的问题。
来源:中国国家信息安全漏洞库 CNNVD
CVSS信息
N/A
来源:中国国家信息安全漏洞库 CNNVD
漏洞类别
其他
来源:中国国家信息安全漏洞库 CNNVD
二、漏洞 CVE-2024-50040 的公开POC
# POC 描述 源链接 神龙链接
三、漏洞 CVE-2024-50040 的情报信息
  • 标题: igb: Do not bring the device up after non-fatal error - kernel/git/stable/linux.git - Linux kernel stable tree -- 🔗来源链接

    标签:

    神龙速读
  • 标题: igb: Do not bring the device up after non-fatal error - kernel/git/stable/linux.git - Linux kernel stable tree -- 🔗来源链接

    标签:

    神龙速读
  • 标题: igb: Do not bring the device up after non-fatal error - kernel/git/stable/linux.git - Linux kernel stable tree -- 🔗来源链接

    标签:

    神龙速读
  • 标题: igb: Do not bring the device up after non-fatal error - kernel/git/stable/linux.git - Linux kernel stable tree -- 🔗来源链接

    标签:

    神龙速读
  • 标题: igb: Do not bring the device up after non-fatal error - kernel/git/stable/linux.git - Linux kernel stable tree -- 🔗来源链接

    标签:

    神龙速读
  • 标题: igb: Do not bring the device up after non-fatal error - kernel/git/stable/linux.git - Linux kernel stable tree -- 🔗来源链接

    标签:

    神龙速读
  • 标题: igb: Do not bring the device up after non-fatal error - kernel/git/stable/linux.git - Linux kernel stable tree -- 🔗来源链接

    标签:

    神龙速读
  • 标题: igb: Do not bring the device up after non-fatal error - kernel/git/stable/linux.git - Linux kernel stable tree -- 🔗来源链接

    标签:

    神龙速读
  • https://nvd.nist.gov/vuln/detail/CVE-2024-50040