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CVE-2024-38637— greybus: lights: check return of get_channel_from_mode

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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greybus:lights模块没有检查get_channel_from_mode的返回值。

AI Predicted 5.5 Difficulty: Hard EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 2870b52bae4c81823ffcb3ed2b0626fb39d64f48< 8f4a76d477f0cc3c54d512f07f6f88c8e1c1e07b affected
2870b52bae4c81823ffcb3ed2b0626fb39d64f48< e2c64246e5dc8c0d35ec41770b85e2b4cafdff21 affected
2870b52bae4c81823ffcb3ed2b0626fb39d64f48< eac10cf3a97ffd4b4deb0a29f57c118225a42850 affected
2870b52bae4c81823ffcb3ed2b0626fb39d64f48< 330f6bcdcef03f70f81db5f2ed6747af656a09f2 affected
2870b52bae4c81823ffcb3ed2b0626fb39d64f48< 9b41a9b9c8be8c552f10633453fdb509e83b66f8 affected
2870b52bae4c81823ffcb3ed2b0626fb39d64f48< 518e2c46b5dbce40b1aa0100001d03c3ceaa7d38 affected
2870b52bae4c81823ffcb3ed2b0626fb39d64f48< 895cdd9aa9546523df839f9cc1488a0ecc1e0731 affected
2870b52bae4c81823ffcb3ed2b0626fb39d64f48< a1ba19a1ae7cd1e324685ded4ab563e78fe68648 affected
… +10 more rows
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I. Basic Information for CVE-2024-38637

Vulnerability Information
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Vulnerability Title
greybus: lights: check return of get_channel_from_mode
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: greybus: lights: check return of get_channel_from_mode If channel for the given node is not found we return null from get_channel_from_mode. Make sure we validate the return pointer before using it in two of the missing places. This was originally reported in [0]: Found by Linux Verification Center (linuxtesting.org) with SVACE. [0] https://lore.kernel.org/all/20240301190425.120605-1-m.lobanov@rosalinux.ru
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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greybus:lights模块没有检查get_channel_from_mode的返回值。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 2870b52bae4c81823ffcb3ed2b0626fb39d64f48 ~ 8f4a76d477f0cc3c54d512f07f6f88c8e1c1e07b -
Linux Linux 4.9 -

II. Public POCs for CVE-2024-38637

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III. Intelligence Information for CVE-2024-38637

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Mailing List Discussions for CVE-2024-38637 (1)

Other References for CVE-2024-38637 (7)

Same Patch Batch · Linux · 2024-06-21 · 40 CVEs total

CVE-2024-36288 9.8 CRITICAL SUNRPC: Fix loop termination condition in gss_free_in_token_pages()
CVE-2024-38381 8.8 HIGH nfc: nci: Fix uninit-value in nci_rx_work
CVE-2024-38628 7.8 HIGH usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind.
CVE-2024-38626 7.8 HIGH fuse: clear FR_SENT when re-adding requests into pending list
CVE-2024-38623 7.8 HIGH fs/ntfs3: Use variable length array instead of fixed size
CVE-2024-38635 7.8 HIGH soundwire: cadence: fix invalid PDI offset
CVE-2024-38388 7.8 HIGH ALSA: hda/cs_dsp_ctl: Use private_free for control cleanup
CVE-2024-36286 7.8 HIGH netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu()
CVE-2024-36477 7.8 HIGH tpm_tis_spi: Account for SPI header when allocating TPM SPI xfer buffer
CVE-2024-33619 7.8 HIGH efi: libstub: only free priv.runtime_map when allocated
CVE-2024-38659 7.3 HIGH enic: Validate length of nl attributes in enic_set_vf_port
CVE-2024-38780 dma-buf/sw-sync: don't enable IRQ from sync_print_obj()
CVE-2024-38662 bpf: Allow delete from sockmap/sockhash only if update is allowed
CVE-2024-39277 dma-mapping: benchmark: handle NUMA_NO_NODE correctly
CVE-2024-38636 f2fs: multidev: fix to recognize valid zero block address
CVE-2024-34777 dma-mapping: benchmark: fix node id validation
CVE-2024-38634 serial: max3100: Lock port->lock when calling uart_handle_cts_change()
CVE-2024-38633 serial: max3100: Update uart_driver_registered on driver removal
CVE-2024-38632 vfio/pci: fix potential memory leak in vfio_intx_enable()
CVE-2024-31076 genirq/cpuhotplug, x86/vector: Prevent vector leak during CPU offline

Showing top 20 of 40 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-38637

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