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CVE-2024-46685— pinctrl: single: fix potential NULL dereference in pcs_get_function()

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，该漏洞源于在获取pinmux_generic_get_function函数时未能正确检查返回值，可能导致空指针取消引用。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.26% · P18

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 571aec4df5b72a80f80d1e524da8fbd7ff525c98< 0a2bab5ed161318f57134716accba0a30f3af191 affected
571aec4df5b72a80f80d1e524da8fbd7ff525c98< 2cea369a5c2e85ab14ae716da1d1cc6d25c85e11 affected
571aec4df5b72a80f80d1e524da8fbd7ff525c98< 4e9436375fcc9bd2a60ee96aba6ed53f7a377d10 affected
571aec4df5b72a80f80d1e524da8fbd7ff525c98< 6341c2856785dca7006820b127278058a180c075 affected
571aec4df5b72a80f80d1e524da8fbd7ff525c98< 8f0bd526921b6867c2f10a83cd4fd14139adcd92 affected
571aec4df5b72a80f80d1e524da8fbd7ff525c98< 4ed45fe99ec9e3c9478bd634624cd05a57d002f7 affected
571aec4df5b72a80f80d1e524da8fbd7ff525c98< 292151af6add3e5ab11b2e9916cffa5f52859a1f affected
571aec4df5b72a80f80d1e524da8fbd7ff525c98< 1c38a62f15e595346a1106025722869e87ffe044 affected
… +10 more rows
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I. Basic Information for CVE-2024-46685

Vulnerability Information
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Vulnerability Title
pinctrl: single: fix potential NULL dereference in pcs_get_function()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: pinctrl: single: fix potential NULL dereference in pcs_get_function() pinmux_generic_get_function() can return NULL and the pointer 'function' was dereferenced without checking against NULL. Add checking of pointer 'function' in pcs_get_function(). Found by code review.
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，该漏洞源于在获取pinmux_generic_get_function函数时未能正确检查返回值，可能导致空指针取消引用。
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 571aec4df5b72a80f80d1e524da8fbd7ff525c98 ~ 0a2bab5ed161318f57134716accba0a30f3af191 -
Linux Linux 4.11 -

II. Public POCs for CVE-2024-46685

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III. Intelligence Information for CVE-2024-46685

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Patches & Fixes for CVE-2024-46685 (7)

Same Patch Batch · Linux · 2024-09-13 · 40 CVEs total

CVE-2024-46697 9.8 CRITICAL nfsd: ensure that nfsd4_fattr_args.context is zeroed out
CVE-2024-46695 9.8 CRITICAL selinux,smack: don't bypass permissions check in inode_setsecctx hook
CVE-2024-46696 9.8 CRITICAL nfsd: fix potential UAF in nfsd4_cb_getattr_release
CVE-2024-46690 9.8 CRITICAL nfsd: fix nfsd4_deleg_getattr_conflict in presence of third party lease
CVE-2024-46673 7.8 HIGH scsi: aacraid: Fix double-free on probe failure
CVE-2024-46713 7.8 HIGH perf/aux: Fix AUX buffer serialization
CVE-2024-46710 7.8 HIGH drm/vmwgfx: Prevent unmapping active read buffers
CVE-2024-46709 7.8 HIGH drm/vmwgfx: Fix prime with external buffers
CVE-2024-46705 7.8 HIGH drm/xe: reset mmio mappings with devm
CVE-2024-46687 7.8 HIGH btrfs: fix a use-after-free when hitting errors inside btrfs_submit_chunk()
CVE-2024-46674 7.8 HIGH usb: dwc3: st: fix probed platform device ref count on probe error path
CVE-2024-46680 7.8 HIGH Bluetooth: btnxpuart: Fix random crash seen while removing driver
CVE-2024-46678 7.8 HIGH bonding: change ipsec_lock from spin lock to mutex
CVE-2024-46683 7.8 HIGH drm/xe: prevent UAF around preempt fence
CVE-2024-46679 ethtool: check device is present when getting link settings
CVE-2024-46712 drm/vmwgfx: Disable coherent dumb buffers without 3d
CVE-2024-46711 mptcp: pm: fix ID 0 endp usage after multiple re-creations
CVE-2024-46675 usb: dwc3: core: Prevent USB core invalid event buffer address access
CVE-2024-46708 pinctrl: qcom: x1e80100: Fix special pin offsets
CVE-2024-46676 nfc: pn533: Add poll mod list filling check

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-2024-46685

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