Linux Kernel up to 6.12.34/6.15.3/6.16-rc2 File Descriptor v3d_job_update_stats null pointer dereference

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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.12.34/6.15.3/6.16-rc2 and classified as critical. Affected by this issue is the function v3d_job_update_stats of the component File Descriptor Handler. Executing a manipulation can lead to null pointer dereference. This vulnerability is registered as CVE-2025-38189. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 6.12.34/6.15.3/6.16-rc2. This vulnerability affects the function v3d_job_update_stats of the component File Descriptor Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Avoid NULL pointer dereference in `v3d_job_update_stats()` The following kernel Oops was recently reported by Mesa CI: [ 800.139824] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000588 [ 800.148619] Mem abort info: [ 800.151402] ESR = 0x0000000096000005 [ 800.155141] EC = 0x25: DABT (current EL), IL = 32 bits [ 800.160444] SET = 0, FnV = 0 [ 800.163488] EA = 0, S1PTW = 0 [ 800.166619] FSC = 0x05: level 1 translation fault [ 800.171487] Data abort info: [ 800.174357] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 [ 800.179832] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 800.184873] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 800.190176] user pgtable: 4k pages, 39-bit VAs, pgdp=00000001014c2000 [ 800.196607] [0000000000000588] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000 [ 800.205305] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP [ 800.211564] Modules linked in: vc4 snd_soc_hdmi_codec drm_display_helper v3d cec gpu_sched drm_dma_helper drm_shmem_helper drm_kms_helper drm drm_panel_orientation_quirks snd_soc_core snd_compress snd_pcm_dmaengine snd_pcm i2c_brcmstb snd_timer snd backlight [ 800.234448] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.25+rpt-rpi-v8 #1 Debian 1:6.12.25-1+rpt1 [ 800.244182] Hardware name: Raspberry Pi 4 Model B Rev 1.4 (DT) [ 800.250005] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 800.256959] pc : v3d_job_update_stats+0x60/0x130 [v3d] [ 800.262112] lr : v3d_job_update_stats+0x48/0x130 [v3d] [ 800.267251] sp : ffffffc080003e60 [ 800.270555] x29: ffffffc080003e60 x28: ffffffd842784980 x27: 0224012000000000 [ 800.277687] x26: ffffffd84277f630 x25: ffffff81012fd800 x24: 0000000000000020 [ 800.284818] x23: ffffff8040238b08 x22: 0000000000000570 x21: 0000000000000158 [ 800.291948] x20: 0000000000000000 x19: ffffff8040238000 x18: 0000000000000000 [ 800.299078] x17: ffffffa8c1bd2000 x16: ffffffc080000000 x15: 0000000000000000 [ 800.306208] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000 [ 800.313338] x11: 0000000000000040 x10: 0000000000001a40 x9 : ffffffd83b39757c [ 800.320468] x8 : ffffffd842786420 x7 : 7fffffffffffffff x6 : 0000000000ef32b0 [ 800.327598] x5 : 00ffffffffffffff x4 : 0000000000000015 x3 : ffffffd842784980 [ 800.334728] x2 : 0000000000000004 x1 : 0000000000010002 x0 : 000000ba4c0ca382 [ 800.341859] Call trace: [ 800.344294] v3d_job_update_stats+0x60/0x130 [v3d] [ 800.349086] v3d_irq+0x124/0x2e0 [v3d] [ 800.352835] __handle_irq_event_percpu+0x58/0x218 [ 800.357539] handle_irq_event+0x54/0xb8 [ 800.361369] handle_fasteoi_irq+0xac/0x240 [ 800.365458] handle_irq_desc+0x48/0x68 [ 800.369200] generic_handle_domain_irq+0x24/0x38 [ 800.373810] gic_handle_irq+0x48/0xd8 [ 800.377464] call_on_irq_stack+0x24/0x58 [ 800.381379] do_interrupt_handler+0x88/0x98 [ 800.385554] el1_interrupt+0x34/0x68 [ 800.389123] el1h_64_irq_handler+0x18/0x28 [ 800.393211] el1h_64_irq+0x64/0x68 [ 800.396603] default_idle_call+0x3c/0x168 [ 800.400606] do_idle+0x1fc/0x230 [ 800.403827] cpu_startup_entry+0x40/0x50 [ 800.407742] rest_init+0xe4/0xf0 [ 800.410962] start_kernel+0x5e8/0x790 [ 800.414616] __primary_switched+0x80/0x90 [ 800.418622] Code: 8b170277 8b160296 11000421 b9000861 (b9401ac1) [ 800.424707] ---[ end trace 0000000000000000 ]--- [ 800.457313] ---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]--- This issue happens when the file descriptor is closed before the jobs submitted by it are completed. When the job completes, we update the global GPU stats and the per-fd GPU stats, which are exposed through fdinfo. If the file descriptor was closed, then the struct `v3d_file_priv` and its stats were already freed and we can't update the per-fd stats. Therefore, if the file descriptor was already closed, don't u ---truncated---

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2025-38189 since 04/16/2025. The exploitation appears to be difficult. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 271193 (Ubuntu 24.04 LTS / 25.04 : Linux kernel (Azure) vulnerabilities (USN-7834-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.12.35, 6.15.4 or 6.16-rc3 eliminates this vulnerability. Applying the patch c886784000934d5486621106da0614c85bcd76a8/4f4701489d0f768a232b10d281491184f34bacf0/e1bc3a13bd775791cca0bb144d977b00f3598042 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (271193), EUVD (EUVD-2025-20067) and CERT Bund (WID-SEC-2025-1465). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • IBM QRadar SIEM
  • SUSE openSUSE
  • RESF Rocky Linux
  • Dell Avamar
  • Open Source Linux Kernel
  • Dell NetWorker
  • Dell Secure Connect Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 271193
Nessus Name: Ubuntu 24.04 LTS / 25.04 : Linux kernel (Azure) vulnerabilities (USN-7834-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.12.35/6.15.4/6.16-rc3
Patch: c886784000934d5486621106da0614c85bcd76a8/4f4701489d0f768a232b10d281491184f34bacf0/e1bc3a13bd775791cca0bb144d977b00f3598042

Timelineinfo

04/16/2025 CVE reserved
07/04/2025 +79 days Advisory disclosed
07/04/2025 +0 days VulDB entry created
12/08/2025 +157 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-38189 (🔒)
GCVE (CVE): GCVE-0-2025-38189
GCVE (VulDB): GCVE-100-314920
EUVD: 🔒
CERT Bund: WID-SEC-2025-1465 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 07/04/2025 16:22
Updated: 12/08/2025 05:43
Changes: 07/04/2025 16:22 (59), 07/04/2025 20:37 (1), 07/20/2025 17:39 (7), 08/25/2025 16:14 (1), 09/02/2025 12:50 (1), 09/11/2025 01:44 (1), 09/21/2025 01:32 (1), 10/26/2025 01:40 (2), 11/02/2025 23:48 (1), 11/19/2025 22:10 (12), 12/08/2025 05:43 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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