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CVE-2026-46217— drm/amdgpu/vcn4: Avoid overflow on msg bound check

AI Predicted 5.6 Difficulty: Moderate EPSS 0.02% · P7

Possible ATT&CK Techniques 1AI

T1211 · Exploitation for Stealth

Affected Version Matrix 9

VendorProductVersion RangeStatus
LinuxLinux88411caee8f576d6b5abf6531232fcc0ce756dc5< f7bf02dcb7c76229ea8ace11b7d0d0c7b87ee57eaffected
c72a8b4dc6d598e3831ef3abd9c6527dfbf4810e< 5bb5faff4837b1d98fd655cf8bd7b5d4da0fc4dcaffected
7688143ca62edeecacb3ba0a2cea129dbd262a18< 73043d296787bf187d89ffb5c5dcf5bdc3db7885affected
63b51e8a9d54317d31cc3856c1e12407070d5fc2< 271cd5429513ff9b364a9bf8903e5b65b687eb25affected
3c817a60b09eaab926e475088e750936efcc95ae< 30d12ee310a6024ff4c7b9eafdbbeab2db450d4aaffected
0a78f2bac1424deb7c9d5e09c6b8e849d8e8b648< 65bce27ea6192320448c30267ffc17ffa094e713affected
7.1-rc1affected
< 7.1-rc1unaffected
… +1 more rows
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I. Basic Information for CVE-2026-46217

Vulnerability Information
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Vulnerability Title
drm/amdgpu/vcn4: Avoid overflow on msg bound check
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Avoid overflow on msg bound check As pointed out by SDL, the previous condition may be vulnerable to overflow. (cherry picked from commit 3c5367d950140d4ec7af830b2268a5a6fdaa3885)
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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/amdgpu/vcn4中消息边界检查可能溢出。
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 88411caee8f576d6b5abf6531232fcc0ce756dc5 ~ f7bf02dcb7c76229ea8ace11b7d0d0c7b87ee57e -
LinuxLinux 7.1-rc1 -

II. Public POCs for CVE-2026-46217

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III. Intelligence Information for CVE-2026-46217

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Patches & Fixes for CVE-2026-46217 (6)

Same Patch Batch · Linux · 2026-05-28 · 138 CVEs total

CVE-2026-461359.8 CRITICALnvmet-tcp: fix race between ICReq handling and queue teardown
CVE-2026-461379.8 CRITICALmptcp: pm: ADD_ADDR rtx: fix potential data-race
CVE-2026-461959.8 CRITICALsmb: client: validate dacloffset before building DACL pointers
CVE-2026-461159.8 CRITICALblock: add pgmap check to biovec_phys_mergeable
CVE-2026-461859.1 CRITICALsmb/client: fix out-of-bounds read in symlink_data()
CVE-2026-461199.1 CRITICALlibceph: Fix slab-out-of-bounds access in auth message processing
CVE-2026-461559.1 CRITICALsmb/client: fix out-of-bounds read in smb2_compound_op()
CVE-2026-461528.8 HIGHwifi: mac80211: drop stray 'static' from fast-RX rx_result
CVE-2026-461988.8 HIGHbatman-adv: fix integer overflow on buff_pos
CVE-2026-461258.8 HIGHwifi: mac80211: remove station if connection prep fails
CVE-2026-462388.8 HIGHbatman-adv: stop caching unowned originator pointers in BAT IV
CVE-2026-461748.8 HIGHx86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
CVE-2026-461138.8 HIGHKVM: x86: Fix shadow paging use-after-free due to unexpected GFN
CVE-2026-461668.8 HIGHwifi: mac80211: use safe list iteration in radar detect work
CVE-2026-462128.8 HIGHbatman-adv: bla: prevent use-after-free when deleting claims
CVE-2026-462328.1 HIGHHID: playstation: Clamp num_touch_reports
CVE-2026-461388.1 HIGHBluetooth: hci_event: Fix OOB read and infinite loop in hci_le_create_big_complete_evt
CVE-2026-462097.8 HIGHdrm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs()
CVE-2026-462087.8 HIGHbatman-adv: stop tp_meter sessions during mesh teardown
CVE-2026-462277.8 HIGHsctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL

Showing top 20 of 138 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-46217

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