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CVE-2024-49898— drm/amd/display: Check null-initialized variables

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/amd/display驱动程序中未初始化变量的使用，可能导致空指针取消引用。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c< 26d262b79a3587aaa84368586a55e9026c67841b affected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c< c3a3b6d9a9383e3c1a4a08878ba5046e68647595 affected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c< 3fc70ae048fe0936761b73b50700a810ff61e853 affected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c< 115b1a3b0944b4d8ef0b4b0c5a625bdd9474131f affected
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c< 367cd9ceba1933b63bc1d87d967baf6d9fd241d2 affected
4.15 affected
< 4.15 unaffected
6.1.120≤ 6.1.* unaffected
… +4 more rows
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I. Basic Information for CVE-2024-49898

Vulnerability Information
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Vulnerability Title
drm/amd/display: Check null-initialized variables
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null-initialized variables [WHAT & HOW] drr_timing and subvp_pipe are initialized to null and they are not always assigned new values. 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驱动程序中未初始化变量的使用，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 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c ~ 26d262b79a3587aaa84368586a55e9026c67841b -
Linux Linux 4.15 -

II. Public POCs for CVE-2024-49898

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III. Intelligence Information for CVE-2024-49898

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Patches & Fixes for CVE-2024-49898 (2)

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

CVE-2024-47695 9.8 CRITICAL RDMA/rtrs-clt: Reset cid to con_num - 1 to stay in bounds
CVE-2022-48985 9.8 CRITICAL net: mana: Fix race on per-CQ variable napi work_done
CVE-2024-50033 9.8 CRITICAL slip: make slhc_remember() more robust against malicious packets
CVE-2024-50043 9.8 CRITICAL nfsd: fix possible badness in FREE_STATEID
CVE-2024-49855 9.8 CRITICAL nbd: fix race between timeout and normal completion
CVE-2024-50047 9.8 CRITICAL smb: client: fix UAF in async decryption
CVE-2024-50046 9.8 CRITICAL NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
CVE-2022-49003 9.8 CRITICAL nvme: fix SRCU protection of nvme_ns_head list
CVE-2024-49996 9.4 CRITICAL cifs: Fix buffer overflow when parsing NFS reparse points
CVE-2024-47678 9.4 CRITICAL icmp: change the order of rate limits
CVE-2024-49950 8.8 HIGH Bluetooth: L2CAP: Fix uaf in l2cap_connect
CVE-2024-50041 8.8 HIGH i40e: Fix macvlan leak by synchronizing access to mac_filter_hash
CVE-2024-50029 8.8 HIGH Bluetooth: hci_conn: Fix UAF in hci_enhanced_setup_sync
CVE-2022-49017 8.8 HIGH tipc: re-fetch skb cb after tipc_msg_validate
CVE-2022-48962 8.8 HIGH net: hisilicon: Fix potential use-after-free in hisi_femac_rx()
CVE-2022-49015 8.8 HIGH net: hsr: Fix potential use-after-free
CVE-2022-48964 8.8 HIGH ravb: Fix potential use-after-free in ravb_rx_gbeth()
CVE-2024-49939 8.8 HIGH wifi: rtw89: avoid to add interface to list twice when SER
CVE-2022-48960 8.8 HIGH net: hisilicon: Fix potential use-after-free in hix5hd2_rx()
CVE-2022-48967 8.8 HIGH NFC: nci: Bounds check struct nfc_target arrays

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-2024-49898

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