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CVE-2026-46199— drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg

CVSS 7.1 · High EPSS 0.13% · P3

Possible ATT&CK Techniques 1AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 14

VendorProductVersion RangeStatus
LinuxLinux87cc7f9ebf7ce10f82250002d667ef3e93a79d44< 88411caee8f576d6b5abf6531232fcc0ce756dc5affected
87cc7f9ebf7ce10f82250002d667ef3e93a79d44< c72a8b4dc6d598e3831ef3abd9c6527dfbf4810eaffected
87cc7f9ebf7ce10f82250002d667ef3e93a79d44< 7688143ca62edeecacb3ba0a2cea129dbd262a18affected
87cc7f9ebf7ce10f82250002d667ef3e93a79d44< 63b51e8a9d54317d31cc3856c1e12407070d5fc2affected
87cc7f9ebf7ce10f82250002d667ef3e93a79d44< 3c817a60b09eaab926e475088e750936efcc95aeaffected
87cc7f9ebf7ce10f82250002d667ef3e93a79d44< 0a78f2bac1424deb7c9d5e09c6b8e849d8e8b648affected
5.13affected
< 5.13unaffected
… +6 more rows
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I. Basic Information for CVE-2026-46199

Vulnerability Information
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Vulnerability Title
drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
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 amdgpu vcn4中解析解码消息时未检查边界，可能导致越界读取。
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 87cc7f9ebf7ce10f82250002d667ef3e93a79d44 ~ 88411caee8f576d6b5abf6531232fcc0ce756dc5 -
LinuxLinux 5.13 -

II. Public POCs for CVE-2026-46199

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III. Intelligence Information for CVE-2026-46199

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Patches & Fixes for CVE-2026-46199 (5)

Same Patch Batch · Linux · 2026-05-28 · 135 CVEs total

CVE-2026-461359.8 CRITICALnvmet-tcp: fix race between ICReq handling and queue teardown
CVE-2026-461959.8 CRITICALsmb: client: validate dacloffset before building DACL pointers
CVE-2026-461379.8 CRITICALmptcp: pm: ADD_ADDR rtx: fix potential data-race
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-2026-461559.1 CRITICALsmb/client: fix out-of-bounds read in smb2_compound_op()
CVE-2026-461199.1 CRITICALlibceph: Fix slab-out-of-bounds access in auth message processing
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-2026-461988.8 HIGHbatman-adv: fix integer overflow on buff_pos
CVE-2026-461258.8 HIGHwifi: mac80211: remove station if connection prep fails
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-2026-461528.8 HIGHwifi: mac80211: drop stray 'static' from fast-RX rx_result
CVE-2026-461138.8 HIGHKVM: x86: Fix shadow paging use-after-free due to unexpected GFN
CVE-2026-461388.1 HIGHBluetooth: hci_event: Fix OOB read and infinite loop in hci_le_create_big_complete_evt
CVE-2026-462328.1 HIGHHID: playstation: Clamp num_touch_reports
CVE-2026-461577.8 HIGHALSA: pcm: oss: Fix data race at accessing runtime.oss.trigger
CVE-2026-462157.8 HIGHdrm: Set old handle to NULL before prime swap in change_handle
CVE-2026-461737.8 HIGHexit: prevent preemption of oopsing TASK_DEAD task

Showing top 20 of 135 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-46199

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