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CVE-2024-47704— drm/amd/display: Check link_res->hpo_dp_link_enc before using it

AI Predicted 5.5 Difficulty: Moderate EPSS 0.21% · P11

Possible ATT&CK Techniques 1AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 12

VendorProductVersion RangeStatus
LinuxLinux4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c< 8c22a62288194f072eb3a51045b700fce1c18d9eaffected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c< be2ca7a2c1561390d28bf2f92654d819659ba510affected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c< 530e29452b955c30cf2102fa4d07420dc6e0c953affected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c< 0508a4e95ac1aefd851ceb97ea050d8abb93262caffected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c< 0beca868cde8742240cd0038141c30482d2b7eb8affected
4.15affected
< 4.15unaffected
6.1.151≤ 6.1.*unaffected
… +4 more rows
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I. Basic Information for CVE-2024-47704

Vulnerability Information
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Vulnerability Title
drm/amd/display: Check link_res->hpo_dp_link_enc before using it
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check link_res->hpo_dp_link_enc before using it [WHAT & HOW] Functions dp_enable_link_phy and dp_disable_link_phy can pass link_res without initializing hpo_dp_link_enc and it is necessary to check for null before dereferencing. This fixes 2 FORWARD_NULL issues reported by Coverity.
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/amd/display模块在检查link_res->hpo_dp_link_enc之前未进行空值检查。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c ~ 8c22a62288194f072eb3a51045b700fce1c18d9e -
LinuxLinux 4.15 -

II. Public POCs for CVE-2024-47704

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III. Intelligence Information for CVE-2024-47704

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Patches & Fixes for CVE-2024-47704 (3)

Same Patch Batch · Linux · 2024-10-21 · 372 CVEs total

CVE-2024-500439.8 CRITICALnfsd: fix possible badness in FREE_STATEID
CVE-2022-489859.8 CRITICALnet: mana: Fix race on per-CQ variable napi work_done
CVE-2024-476959.8 CRITICALRDMA/rtrs-clt: Reset cid to con_num - 1 to stay in bounds
CVE-2024-500339.8 CRITICALslip: make slhc_remember() more robust against malicious packets
CVE-2024-498559.8 CRITICALnbd: fix race between timeout and normal completion
CVE-2024-500479.8 CRITICALsmb: client: fix UAF in async decryption
CVE-2022-490039.8 CRITICALnvme: fix SRCU protection of nvme_ns_head list
CVE-2024-500469.8 CRITICALNFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
CVE-2024-499969.4 CRITICALcifs: Fix buffer overflow when parsing NFS reparse points
CVE-2024-476789.4 CRITICALicmp: change the order of rate limits
CVE-2022-490178.8 HIGHtipc: re-fetch skb cb after tipc_msg_validate
CVE-2024-500298.8 HIGHBluetooth: hci_conn: Fix UAF in hci_enhanced_setup_sync
CVE-2024-500418.8 HIGHi40e: Fix macvlan leak by synchronizing access to mac_filter_hash
CVE-2024-499398.8 HIGHwifi: rtw89: avoid to add interface to list twice when SER
CVE-2022-489608.8 HIGHnet: hisilicon: Fix potential use-after-free in hix5hd2_rx()
CVE-2022-489628.8 HIGHnet: hisilicon: Fix potential use-after-free in hisi_femac_rx()
CVE-2022-489648.8 HIGHravb: Fix potential use-after-free in ravb_rx_gbeth()
CVE-2022-490158.8 HIGHnet: hsr: Fix potential use-after-free
CVE-2022-489678.8 HIGHNFC: nci: Bounds check struct nfc_target arrays
CVE-2024-499308.8 HIGHwifi: ath11k: fix array out-of-bound access in SoC stats

Showing top 20 of 372 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-47704

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