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NVD / CVE Program· CNA Linux

CVE-2023-53678: drm/i915: Fix system suspend without fbdev being initialized

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.14% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 27b5871abd5cc068c549fd23062c82e257fc0b9c, 8038510b1fe443ffbc0e356db5f47cbb8678a594, 8ed572d5a0f1509e691a75a0e3d3588050371f1e.

Low priority for now. Upgrade to Linux Linux 27b5871abd5cc068c549fd23062c82e257fc0b9c, 8038510b1fe443ffbc0e356db5f47cbb8678a594, 8ed572d5a0f1509e691a75a0e3d3588050371f1e or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix system suspend without fbdev being initialized If fbdev is not initialized for some reason - in practice on platforms without display - suspending fbdev should be skipped during system suspend, fix this up. While at it add an assert that suspending fbdev only happens with the display present. This fixes the following: [ 91.227923] PM: suspend entry (s2idle) [ 91.254598] Filesystems sync: 0.025 seconds [ 91.270518] Freezing user space processes [ 91.272266] Freezing user space processes completed (elapsed 0.001 seconds) [ 91.272686] OOM killer disabled. [ 91.272872] Freezing remaining freezable tasks [ 91.274295] Freezing remaining freezable tasks completed (elapsed 0.001 seconds) [ 91.659622] BUG: kernel NULL pointer dereference, address: 00000000000001c8 [ 91.659981] #PF: supervisor write access in kernel mode [ 91.660252] #PF: error_code(0x0002) - not-present page [ 91.660511] PGD 0 P4D 0 [ 91.660647] Oops: 0002 [#1] PREEMPT SMP NOPTI [ 91.660875] CPU: 4 PID: 917 Comm: bash Not tainted 6.2.0-rc7+ #54 [ 91.661185] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS edk2-20221117gitfff6d81270b5-9.fc37 unknown [ 91.661680] RIP: 0010:mutex_lock+0x19/0x30 [ 91.661914] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 53 48 89 fb e8 62 d3 ff ff 31 c0 65 48 8b 14 25 00 15 03 00 <f0> 48 0f b1 13 75 06 5b c3 cc cc cc cc 48 89 df 5b eb b4 0f 1f 40 [ 91.662840] RSP: 0018:ffffa1e8011ffc08 EFLAGS: 00010246 [ 91.663087] RAX: 0000000000000000 RBX: 00000000000001c8 RCX: 0000000000000000 [ 91.663440] RDX: ffff8be455eb0000 RSI: 0000000000000001 RDI: 00000000000001c8 [ 91.663802] RBP: ffff8be459440000 R08: ffff8be459441f08 R09: ffffffff8e1432c0 [ 91.664167] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 91.664532] R13: 00000000000001c8 R14: 0000000000000000 R15: ffff8be442f4fb20 [ 91.664905] FS: 00007f28ffc16740(0000) GS:ffff8be4bb900000(0000) knlGS:0000000000000000 [ 91.665334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.665626] CR2: 00000000000001c8 CR3: 0000000114926006 CR4: 0000000000770ee0 [ 91.665988] PKRU: 55555554 [ 91.666131] Call Trace: [ 91.666265] <TASK> [ 91.666381] intel_fbdev_set_suspend+0x97/0x1b0 [i915] [ 91.666738] i915_drm_suspend+0xb9/0x100 [i915] [ 91.667029] pci_pm_suspend+0x78/0x170 [ 91.667234] ? __pfx_pci_pm_suspend+0x10/0x10 [ 91.667461] dpm_run_callback+0x47/0x150 [ 91.667673] __device_suspend+0x10a/0x4e0 [ 91.667880] dpm_suspend+0x134/0x270 [ 91.668069] dpm_suspend_start+0x79/0x80 [ 91.668272] suspend_devices_and_enter+0x11b/0x890 [ 91.668526] pm_suspend.cold+0x270/0x2fc [ 91.668737] state_store+0x46/0x90 [ 91.668916] kernfs_fop_write_iter+0x11b/0x200 [ 91.669153] vfs_write+0x1e1/0x3a0 [ 91.669336] ksys_write+0x53/0xd0 [ 91.669510] do_syscall_64+0x58/0xc0 [ 91.669699] ? syscall_exit_to_user_mode_prepare+0x18e/0x1c0 [ 91.669980] ? syscall_exit_to_user_mode_prepare+0x18e/0x1c0 [ 91.670278] ? syscall_exit_to_user_mode+0x17/0x40 [ 91.670524] ? do_syscall_64+0x67/0xc0 [ 91.670717] ? __irq_exit_rcu+0x3d/0x140 [ 91.670931] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 91.671202] RIP: 0033:0x7f28ffd14284 v2: CC stable. (Jani) References: https://gitlab.freedesktop.org/drm/intel/-/issues/8015 (cherry picked from commit 9542d708409a41449e99c9a464deb5e062c4bee2)

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Oct 7, 2025
Updated
Nov 5, 2026
EPSS
0.1% · 3th percentile

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.1%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2023-53678

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel6.1 and later · before 6.1.18
  • linux linux kernel6.2 and later · before 6.2.5

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 6.1affected
    • f8cc091e05305231c8f747ca253a90ff0cea60b9 and later · before 27b5871abd5cc068c549fd23062c82e257fc0b9caffected · git
    • f8cc091e05305231c8f747ca253a90ff0cea60b9 and later · before 8ed572d5a0f1509e691a75a0e3d3588050371f1eaffected · git
    • f8cc091e05305231c8f747ca253a90ff0cea60b9 and later · before 8038510b1fe443ffbc0e356db5f47cbb8678a594affected · git
    • before 6.1not affected · semver
    • 6.1.18 and later · up to and including 6.1.*not affected · semver
    • 6.2.5 and later · up to and including 6.2.*not affected · semver
    • 6.3 and laternot affected · original_commit_for_fix

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.20-16.1.20-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV
    90Now
  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now

Published before and after this one in the same product

  • ← EarlierCVE-2023-53676Oct 7, 2025 · scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()
    31Monitor
  • ← EarlierCVE-2023-53677Oct 7, 2025 · drm/i915: Fix memory leaks in i915 selftests
    22Monitor
  • Later →CVE-2023-53679Oct 7, 2025 · wifi: mt7601u: fix an integer underflow
    22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux27b5871abd5cc068c549fd23062c82e257fc0b9cVendor (CNA)
Linux Linux8038510b1fe443ffbc0e356db5f47cbb8678a594Vendor (CNA)
Linux Linux8ed572d5a0f1509e691a75a0e3d3588050371f1eVendor (CNA)
debian:linux6.1.20-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-476 · NULL Pointer Dereference

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. SSVC exploitation— → none
  2. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (2 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records