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CVE-2026-68269— drm/i915/gem: Add missing nospec on parallel submit slot

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基金会开源的一个操作系统内核。 Linux kernel 5.16版本存在安全漏洞，该漏洞源于对用户空间控制的并行提交槽缺少Spectre缓解措施，可能导致信息泄露。

AI Predicted 6.5 Difficulty: Hard EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux e5e32171a2cf1e434d4f88e12467f3e47d0ec618< 0ac3bab10c62997727a0a90f819a27d337347f93 affected
e5e32171a2cf1e434d4f88e12467f3e47d0ec618< 4a27275d275971c9ea29d3d240ea4a224ad368a2 affected
e5e32171a2cf1e434d4f88e12467f3e47d0ec618< be393175306694de5da1d1a23a8ea4149baa09f1 affected
e5e32171a2cf1e434d4f88e12467f3e47d0ec618< 45db277b2e1e34bcc99a0852026791108339ec3e affected
e5e32171a2cf1e434d4f88e12467f3e47d0ec618< c41a54619e95f860bf2950dd679ab353380ecd2b affected
e5e32171a2cf1e434d4f88e12467f3e47d0ec618< 914a76a9f08366434bf595700f62026b7a19a9cc affected
5.16 affected
< 5.16 unaffected
… +6 more rows
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I. Basic Information for CVE-2026-68269

Vulnerability Information
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Vulnerability Title
drm/i915/gem: Add missing nospec on parallel submit slot
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Add missing nospec on parallel submit slot Add missing Spectre mitigation for userspace controlled parallel submission slot. Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 15b9353deff3cf72331c387780de3cf9c316b643)
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基金会开源的一个操作系统内核。 Linux kernel 5.16版本存在安全漏洞，该漏洞源于对用户空间控制的并行提交槽缺少Spectre缓解措施，可能导致信息泄露。
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 e5e32171a2cf1e434d4f88e12467f3e47d0ec618 ~ 0ac3bab10c62997727a0a90f819a27d337347f93 -
Linux Linux 5.16 -

II. Public POCs for CVE-2026-68269

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III. Intelligence Information for CVE-2026-68269

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Patches & Fixes for CVE-2026-68269 (5)

Same Patch Batch · Linux · 2026-08-10 · 344 CVEs total

CVE-2026-68161 9.8 CRITICAL sctp: close UDP tunnel sockets during netns teardown
CVE-2026-68123 9.8 CRITICAL openvswitch: fix GSO userspace truncation underflow
CVE-2026-68127 9.8 CRITICAL ila: reload IPv6 header after pskb_may_pull in checksum adjust
CVE-2026-68117 9.8 CRITICAL tipc: clear sock->sk on the failed-insert path in tipc_sk_create()
CVE-2026-68136 9.8 CRITICAL net: gro: fix double aggregation of flush-marked skbs
CVE-2026-68137 9.8 CRITICAL net/x25: fix use-after-free in x25_kill_by_neigh()
CVE-2026-68300 9.8 CRITICAL sctp: auth: verify auth requirement when auth_chunk is NULL
CVE-2026-68144 9.8 CRITICAL phonet: pep: fix use-after-free in pep_get_sb()
CVE-2026-68154 9.8 CRITICAL libceph: reject zero bucket types in crush_decode
CVE-2026-68156 9.8 CRITICAL libceph: refresh auth->authorizer_buf{,_len} after authorizer update
CVE-2026-68158 9.8 CRITICAL libceph: Fix multiplication overflow in decode_new_up_state_weight()
CVE-2026-68159 9.8 CRITICAL libceph: bound pg_{temp,upmap,upmap_items} length to CEPH_PG_MAX_SIZE
CVE-2026-68160 9.8 CRITICAL ceph: fix pre-auth out-of-bounds read on snaptrace in ceph_handle_caps()
CVE-2026-68302 9.8 CRITICAL amt: re-read skb header pointers after every pull
CVE-2026-68170 9.8 CRITICAL mptcp: fix stale skb->sk reference on subflow close
CVE-2026-68426 9.8 CRITICAL xfrm: fix stale skb->prev after async crypto steals a GSO segment
CVE-2026-68388 9.8 CRITICAL smb/client: handle overlapping allocated ranges in fallocate
CVE-2026-68385 9.8 CRITICAL s390/checksum: Fix csum_partial() without vector facility
CVE-2026-68381 9.8 CRITICAL ksmbd: pin conn during async oplock break notification
CVE-2026-68124 9.6 CRITICAL mctp: serial: handle zero-length frames to prevent rx buffer overflow

Showing top 20 of 344 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-68269

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