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CVE-2026-99006— drm/i915/gem: Prevent overstepping exec array boundary

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.

在 Linux 内核中，以下漏洞已得到修复： drm/i915/gem：防止越界访问执行数组 在 函数的以下场景中，存在调用 释放原始执行数组之外条目的风险： 1. 会为执行条目分配多达 个副本； 2. 在递增 之后，会追加最多两个 VMA（虚拟内存区域）； 3. 在标记为 "out" 的清理代码段中，使用了已递增的 值，通过 从执行数组（而非 VMA 数组）中释放重定位指针。 为解决此问题，确保重定位清理过程使用的是原始执行对象计数，即排除由命令解析器追加的 VMA。 （该修复自提交 2a0158925fb943

CVSS 7.8 · High EPSS 0.16% · P5

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 8e4ba491b0ba6fef69270d3c4e48fc517096ef41< 24c04e80c35ff36947366f6deafddb522eea080c affected
8e4ba491b0ba6fef69270d3c4e48fc517096ef41< b1c357131fc467c579f65e9a9d1fdc1a6273ae1d affected
8e4ba491b0ba6fef69270d3c4e48fc517096ef41< 152fb5083b9333a1cb8629572f9e0f276a404ba6 affected
8e4ba491b0ba6fef69270d3c4e48fc517096ef41< 72d5cbb10d4916a3f8ef9da516c5c0634aca8439 affected
8e4ba491b0ba6fef69270d3c4e48fc517096ef41< ebe162db655881a38de43301151ff7ac940602b5 affected
5.10 affected
< 5.10 unaffected
6.6.160≤ 6.6.* unaffected
… +4 more rows
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I. Basic Information for CVE-2026-99006

Vulnerability Information
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Vulnerability Title
drm/i915/gem: Prevent overstepping exec array boundary
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Prevent overstepping exec array boundary It is possible for eb_relocate_parse_slow() to call kvfree() on entries outside the original exec array during following scenario inside eb_relocate_parse_slow(): 1) eb_copy_relocations() allocates as many as eb->buffer_count copies for exec entries; 2) eb_parse() appends up to two VMAs, right after incrementing eb->buffer_count; 3) cleanup under "out" label uses this incremented buffer_count to release relocation pointers from exec array via kvfree(), not from VMA array. To amend this problem, ensure that relocation cleanup uses the original exec object count, excluding the VMAs appended by the command parser. (cherry picked from commit 2a0158925fb943c7ba8f3216e2734952128defc9)
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 8e4ba491b0ba6fef69270d3c4e48fc517096ef41 ~ 24c04e80c35ff36947366f6deafddb522eea080c -
Linux Linux 5.10 -

II. Public POCs for CVE-2026-99006

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III. Intelligence Information for CVE-2026-99006

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Patches & Fixes for CVE-2026-99006 (4)

Same Patch Batch · Linux · 2026-10-23 · 217 CVEs total

CVE-2026-98959 9.8 CRITICAL btrfs: fix xattr replace when multiple xattrs are packed in the same item
CVE-2026-99078 9.8 CRITICAL net/mlx5e: Prevent stale XSK buffer release on MPWQE refill retry
CVE-2026-99079 9.8 CRITICAL net/mlx5e: Prevent stale XSK buffer release on refill retry
CVE-2026-98988 8.8 HIGH namespace: keep covered mounts covered in OPEN_TREE_NAMESPACE
CVE-2026-99083 8.8 HIGH ksmbd: fix heap out-of-bounds write in krb5_authenticate()
CVE-2026-99082 8.8 HIGH KVM: x86: Use active memslots for the per-vCPU MMIO cache
CVE-2026-98870 8.8 HIGH ksmbd: remove stale channels from all sessions on teardown
CVE-2026-98980 8.8 HIGH namei: don't reveal overmounted entries in refwalk
CVE-2026-98981 8.8 HIGH namespace: unhash a dentry before detaching the mounts on it
CVE-2026-99042 8.4 HIGH io_uring/net: populate CONNECT filter fields for 24-byte sockaddr_in6
CVE-2026-98978 8.4 HIGH namespace: never expire a locked mount
CVE-2026-99064 8.1 HIGH cipso: adjust cached option offsets when removing CIPSO
CVE-2026-98968 8.1 HIGH amt: send the relay's General Query directly from the receive path
CVE-2026-98899 7.8 HIGH netfilter: ipset: mark the rcu locked areas properly
CVE-2026-99012 7.8 HIGH Bluetooth: ISO: Serialize concurrent connect calls
CVE-2026-99016 7.8 HIGH riscv: futex: untag the user pointer before the atomic access
CVE-2026-99002 7.8 HIGH drm/vmwgfx: validate pitch coming from userspace
CVE-2026-99013 7.8 HIGH Bluetooth: ISO: Reject concurrent BIS listener setup
CVE-2026-98999 7.8 HIGH drm/xe: Fix stale pinned_link entry when fb-pin performs the final unpin
CVE-2026-99032 7.8 HIGH net/smc: protect clcsock lifetime in smc_getname

Showing top 20 of 217 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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Same vendor: Linux