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CVE-2024-50201— drm/radeon: Fix encoder->possible_clones

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，该漏洞源于存在encoder->possible_clones设置不当问题。

AI Predicted 3.7 Difficulty: Trivial EPSS 0.21% · P11

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 74d2aacbe84042d89f572a3112a146fca05bfcb1< df75c78bfeff99f9b4815c3e79e2b1b1e34fe264 affected
74d2aacbe84042d89f572a3112a146fca05bfcb1< fda5dc80121b12871dc343ab37e0c3f0d138825d affected
74d2aacbe84042d89f572a3112a146fca05bfcb1< c3cd27d85f0778f4ec07384d7516b33153759b8e affected
74d2aacbe84042d89f572a3112a146fca05bfcb1< 1a235af0216411a32ab4db54f7bd19020b46c86d affected
74d2aacbe84042d89f572a3112a146fca05bfcb1< 68801730ebb9393460b30cd3885e407f15da27a9 affected
74d2aacbe84042d89f572a3112a146fca05bfcb1< 28127dba64d8ae1a0b737b973d6d029908599611 affected
5.8 affected
< 5.8 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-50201

Vulnerability Information
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Vulnerability Title
drm/radeon: Fix encoder->possible_clones
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Fix encoder->possible_clones Include the encoder itself in its possible_clones bitmask. In the past nothing validated that drivers were populating possible_clones correctly, but that changed in commit 74d2aacbe840 ("drm: Validate encoder->possible_clones"). Looks like radeon never got the memo and is still not following the rules 100% correctly. This results in some warnings during driver initialization: Bogus possible_clones: [ENCODER:46:TV-46] possible_clones=0x4 (full encoder mask=0x7) WARNING: CPU: 0 PID: 170 at drivers/gpu/drm/drm_mode_config.c:615 drm_mode_config_validate+0x113/0x39c ... (cherry picked from commit 3b6e7d40649c0d75572039aff9d0911864c689db)
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，该漏洞源于存在encoder->possible_clones设置不当问题。
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 74d2aacbe84042d89f572a3112a146fca05bfcb1 ~ df75c78bfeff99f9b4815c3e79e2b1b1e34fe264 -
Linux Linux 5.8 -

II. Public POCs for CVE-2024-50201

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III. Intelligence Information for CVE-2024-50201

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Patches & Fixes for CVE-2024-50201 (1)

Same Patch Batch · Linux · 2024-11-08 · 38 CVEs total

CVE-2024-50206 9.8 CRITICAL net: ethernet: mtk_eth_soc: fix memory corruption during fq dma init
CVE-2024-50185 8.2 HIGH mptcp: handle consistently DSS corruption
CVE-2024-50174 7.8 HIGH drm/panthor: Fix race when converting group handle to group object
CVE-2024-50211 7.8 HIGH udf: refactor inode_bmap() to handle error
CVE-2024-50208 7.8 HIGH RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages
CVE-2024-50207 7.8 HIGH ring-buffer: Fix reader locking when changing the sub buffer order
CVE-2024-50203 7.8 HIGH bpf, arm64: Fix address emission with tag-based KASAN enabled
CVE-2024-50200 7.8 HIGH maple_tree: correct tree corruption on spanning store
CVE-2024-50189 7.8 HIGH HID: amd_sfh: Switch to device-managed dmam_alloc_coherent()
CVE-2024-50188 7.8 HIGH net: phy: dp83869: fix memory corruption when enabling fiber
CVE-2024-50187 7.8 HIGH drm/vc4: Stop the active perfmon before being destroyed
CVE-2024-50186 7.8 HIGH net: explicitly clear the sk pointer, when pf->create fails
CVE-2024-50173 7.8 HIGH drm/panthor: Fix access to uninitialized variable in tick_ctx_cleanup()
CVE-2024-50175 7.8 HIGH media: qcom: camss: Remove use_count guard in stop_streaming
CVE-2024-50182 7.1 HIGH secretmem: disable memfd_secret() if arch cannot set direct map
CVE-2024-50195 7.1 HIGH posix-clock: Fix missing timespec64 check in pc_clock_settime()
CVE-2024-50198 iio: light: veml6030: fix IIO device retrieval from embedded device
CVE-2024-50210 posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime()
CVE-2024-50176 remoteproc: k3-r5: Fix error handling when power-up failed
CVE-2024-50209 RDMA/bnxt_re: Add a check for memory allocation

Showing top 20 of 38 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-50201

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