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CVE-2024-38635— soundwire: cadence: fix invalid PDI offset

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soundwire:cadence模块存在无效的PDI偏移。

CVSS 7.8 · High EPSS 0.24% · P13

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 002364b2d594a9afc0385c09e00994c510b1d089 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< fd4bcb991ebaf0d1813d81d9983cfa99f9ef5328 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 902f6d656441a511ac25c6cffce74496db10a078 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 2ebcaa0e5db9b6044bb487ae1cf41bc601761567 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 7eeef1e935d23db5265233d92395bd5c648a4021 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 4e99103f757cdf636c6ee860994a19a346a11785 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 8ee1b439b1540ae543149b15a2a61b9dff937d91 affected
< 5.4.278 affected
… +12 more rows
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I. Basic Information for CVE-2024-38635

Vulnerability Information
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Vulnerability Title
soundwire: cadence: fix invalid PDI offset
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: soundwire: cadence: fix invalid PDI offset For some reason, we add an offset to the PDI, presumably to skip the PDI0 and PDI1 which are reserved for BPT. This code is however completely wrong and leads to an out-of-bounds access. We were just lucky so far since we used only a couple of PDIs and remained within the PDI array bounds. A Fixes: tag is not provided since there are no known platforms where the out-of-bounds would be accessed, and the initial code had problems as well. A follow-up patch completely removes this useless offset.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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soundwire:cadence模块存在无效的PDI偏移。
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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ 002364b2d594a9afc0385c09e00994c510b1d089 -
Linux Linux 5.4.278 ~ 5.4.* -

II. Public POCs for CVE-2024-38635

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III. Intelligence Information for CVE-2024-38635

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Other References for CVE-2024-38635 (6)

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-2024-38388 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-2024-39277 dma-mapping: benchmark: handle NUMA_NO_NODE correctly
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-2024-34777 dma-mapping: benchmark: fix node id validation
CVE-2024-38637 greybus: lights: check return of get_channel_from_mode
CVE-2024-38636 f2fs: multidev: fix to recognize valid zero block address
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-2024-38635

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