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CVE-2024-45015— drm/msm/dpu: move dpu_encoder's connector assignment to atomic_enable()

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drm/msm/dpu组件存在编码器连接器分配问题。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1595 · Active Scanning

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef< 3fb61718bcbe309279205d1cc275a6435611dc77 affected
25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef< 3bacf814b6a61cc683c68465f175ebd938f09c52 affected
25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef< aedf02e46eb549dac8db4821a6b9f0c6bf6e3990 affected
4.19 affected
< 4.19 unaffected
6.6.48≤ 6.6.* unaffected
6.10.7≤ 6.10.* unaffected
6.11≤ * unaffected
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I. Basic Information for CVE-2024-45015

Vulnerability Information
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Vulnerability Title
drm/msm/dpu: move dpu_encoder's connector assignment to atomic_enable()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: move dpu_encoder's connector assignment to atomic_enable() For cases where the crtc's connectors_changed was set without enable/active getting toggled , there is an atomic_enable() call followed by an atomic_disable() but without an atomic_mode_set(). This results in a NULL ptr access for the dpu_encoder_get_drm_fmt() call in the atomic_enable() as the dpu_encoder's connector was cleared in the atomic_disable() but not re-assigned as there was no atomic_mode_set() call. Fix the NULL ptr access by moving the assignment for atomic_enable() and also use drm_atomic_get_new_connector_for_encoder() to get the connector from the atomic_state. Patchwork: https://patchwork.freedesktop.org/patch/606729/
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drm/msm/dpu组件存在编码器连接器分配问题。
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 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef ~ 3fb61718bcbe309279205d1cc275a6435611dc77 -
Linux Linux 4.19 -

II. Public POCs for CVE-2024-45015

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III. Intelligence Information for CVE-2024-45015

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Patches & Fixes for CVE-2024-45015 (2)

Same Patch Batch · Linux · 2024-09-11 · 23 CVEs total

CVE-2024-45030 9.8 CRITICAL igb: cope with large MAX_SKB_FRAGS
CVE-2024-45013 9.8 CRITICAL nvme: move stopping keep-alive into nvme_uninit_ctrl()
CVE-2024-45009 8.2 HIGH mptcp: pm: only decrement add_addr_accepted for MPJ req
CVE-2024-45016 7.8 HIGH netem: fix return value if duplicate enqueue fails
CVE-2024-45017 7.8 HIGH net/mlx5: Fix IPsec RoCE MPV trace call
CVE-2024-45019 7.8 HIGH net/mlx5e: Take state lock during tx timeout reporter
CVE-2024-45024 7.8 HIGH mm/hugetlb: fix hugetlb vs. core-mm PT locking
CVE-2024-45022 7.8 HIGH mm/vmalloc: fix page mapping if vm_area_alloc_pages() with high order fallback to order 0
CVE-2024-45023 7.8 HIGH md/raid1: Fix data corruption for degraded array with slow disk
CVE-2024-45020 7.8 HIGH bpf: Fix a kernel verifier crash in stacksafe()
CVE-2024-45021 7.1 HIGH memcg_write_event_control(): fix a user-triggerable oops
CVE-2024-45026 7.0 HIGH s390/dasd: fix error recovery leading to data corruption on ESE devices
CVE-2024-46672 wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion
CVE-2024-45025 fix bitmap corruption on close_range() with CLOSE_RANGE_UNSHARE
CVE-2024-45018 netfilter: flowtable: initialise extack before use
CVE-2024-45027 usb: xhci: Check for xhci->interrupters being allocated in xhci_mem_clearup()
CVE-2024-45014 s390/boot: Avoid possible physmem_info segment corruption
CVE-2024-45012 nouveau/firmware: use dma non-coherent allocator
CVE-2024-45029 i2c: tegra: Do not mark ACPI devices as irq safe
CVE-2024-45011 char: xillybus: Check USB endpoints when probing device

Showing top 20 of 23 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-45015

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