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CVE-2026-46205— staging: media: atomisp: Disallow all private IOCTLs

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，该漏洞源于原子ISP驱动中未禁止私有IOCTL，可能导致安全风险。

CVSS 7.8 · High EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 21

VendorProduct Version RangeStatus
Linux Linux a49d25364dfb9f8a64037488a39ab1f56c5fa419< 51b8dc5163d2ff2bf04019f8bf7e3bd0e75bb654 affected
ad85094b293e40e7a2f831b0311a389d952ebd5e< 64e85679beafe082fc2e70a557ec356c7fd27548 affected
ad85094b293e40e7a2f831b0311a389d952ebd5e< 8774f8cb661f57ae43cc3bc0509d16ef1f406e45 affected
ad85094b293e40e7a2f831b0311a389d952ebd5e< ceb1b5f910e58986ea544ff8c9c2f23ae9a52414 affected
ad85094b293e40e7a2f831b0311a389d952ebd5e< 8c7a281a99224a5b9af99c4dcd98d68eea75926c affected
ad85094b293e40e7a2f831b0311a389d952ebd5e< 6f1ce75a75c65061e7a720c3d0ee5f8adab7a2d3 affected
ad85094b293e40e7a2f831b0311a389d952ebd5e< c7848b67ef10f581114b6a2f52b160fc20eb52c9 affected
ad85094b293e40e7a2f831b0311a389d952ebd5e< 6850a439f8d23d4979624f1d6880d3118d473a28 affected
… +13 more rows
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I. Basic Information for CVE-2026-46205

Vulnerability Information
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Vulnerability Title
staging: media: atomisp: Disallow all private IOCTLs
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: staging: media: atomisp: Disallow all private IOCTLs Disallow all private IOCTLs. These aren't quite as safe as one could assume of IOCTL handlers; disable them for now. Instead of removing the code, return in the beginning of the function if cmd is non-zero in order to keep static checkers happy.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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，该漏洞源于原子ISP驱动中未禁止私有IOCTL，可能导致安全风险。
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 a49d25364dfb9f8a64037488a39ab1f56c5fa419 ~ 51b8dc5163d2ff2bf04019f8bf7e3bd0e75bb654 -
Linux Linux 4.12 -

II. Public POCs for CVE-2026-46205

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III. Intelligence Information for CVE-2026-46205

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Patches & Fixes for CVE-2026-46205 (8)

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

CVE-2026-46135 9.8 CRITICAL nvmet-tcp: fix race between ICReq handling and queue teardown
CVE-2026-46137 9.8 CRITICAL mptcp: pm: ADD_ADDR rtx: fix potential data-race
CVE-2026-46195 9.8 CRITICAL smb: client: validate dacloffset before building DACL pointers
CVE-2026-46115 9.8 CRITICAL block: add pgmap check to biovec_phys_mergeable
CVE-2026-46185 9.1 CRITICAL smb/client: fix out-of-bounds read in symlink_data()
CVE-2026-46155 9.1 CRITICAL smb/client: fix out-of-bounds read in smb2_compound_op()
CVE-2026-46119 9.1 CRITICAL libceph: Fix slab-out-of-bounds access in auth message processing
CVE-2026-46238 8.8 HIGH batman-adv: stop caching unowned originator pointers in BAT IV
CVE-2026-46198 8.8 HIGH batman-adv: fix integer overflow on buff_pos
CVE-2026-46125 8.8 HIGH wifi: mac80211: remove station if connection prep fails
CVE-2026-46174 8.8 HIGH x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
CVE-2026-46166 8.8 HIGH wifi: mac80211: use safe list iteration in radar detect work
CVE-2026-46212 8.8 HIGH batman-adv: bla: prevent use-after-free when deleting claims
CVE-2026-46152 8.8 HIGH wifi: mac80211: drop stray 'static' from fast-RX rx_result
CVE-2026-46113 8.8 HIGH KVM: x86: Fix shadow paging use-after-free due to unexpected GFN
CVE-2026-46232 8.1 HIGH HID: playstation: Clamp num_touch_reports
CVE-2026-46138 8.1 HIGH Bluetooth: hci_event: Fix OOB read and infinite loop in hci_le_create_big_complete_evt
CVE-2026-46215 7.8 HIGH drm: Set old handle to NULL before prime swap in change_handle
CVE-2026-46210 7.8 HIGH media: iris: fix use-after-free of fmt_src during MBPF check
CVE-2026-46157 7.8 HIGH ALSA: pcm: oss: Fix data race at accessing runtime.oss.trigger

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-2026-46205

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