ghsa-6c4r-cxgh-ghm9
Vulnerability from github
Published
2025-07-04 15:31
Modified
2025-07-04 15:31
Details

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---

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38189"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-04T14:15:25Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/v3d: Avoid NULL pointer dereference in `v3d_job_update_stats()`\n\nThe following kernel Oops was recently reported by Mesa CI:\n\n[  800.139824] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000588\n[  800.148619] Mem abort info:\n[  800.151402]   ESR = 0x0000000096000005\n[  800.155141]   EC = 0x25: DABT (current EL), IL = 32 bits\n[  800.160444]   SET = 0, FnV = 0\n[  800.163488]   EA = 0, S1PTW = 0\n[  800.166619]   FSC = 0x05: level 1 translation fault\n[  800.171487] Data abort info:\n[  800.174357]   ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000\n[  800.179832]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n[  800.184873]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n[  800.190176] user pgtable: 4k pages, 39-bit VAs, pgdp=00000001014c2000\n[  800.196607] [0000000000000588] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000\n[  800.205305] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP\n[  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\n[  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\n[  800.244182] Hardware name: Raspberry Pi 4 Model B Rev 1.4 (DT)\n[  800.250005] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[  800.256959] pc : v3d_job_update_stats+0x60/0x130 [v3d]\n[  800.262112] lr : v3d_job_update_stats+0x48/0x130 [v3d]\n[  800.267251] sp : ffffffc080003e60\n[  800.270555] x29: ffffffc080003e60 x28: ffffffd842784980 x27: 0224012000000000\n[  800.277687] x26: ffffffd84277f630 x25: ffffff81012fd800 x24: 0000000000000020\n[  800.284818] x23: ffffff8040238b08 x22: 0000000000000570 x21: 0000000000000158\n[  800.291948] x20: 0000000000000000 x19: ffffff8040238000 x18: 0000000000000000\n[  800.299078] x17: ffffffa8c1bd2000 x16: ffffffc080000000 x15: 0000000000000000\n[  800.306208] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000\n[  800.313338] x11: 0000000000000040 x10: 0000000000001a40 x9 : ffffffd83b39757c\n[  800.320468] x8 : ffffffd842786420 x7 : 7fffffffffffffff x6 : 0000000000ef32b0\n[  800.327598] x5 : 00ffffffffffffff x4 : 0000000000000015 x3 : ffffffd842784980\n[  800.334728] x2 : 0000000000000004 x1 : 0000000000010002 x0 : 000000ba4c0ca382\n[  800.341859] Call trace:\n[  800.344294]  v3d_job_update_stats+0x60/0x130 [v3d]\n[  800.349086]  v3d_irq+0x124/0x2e0 [v3d]\n[  800.352835]  __handle_irq_event_percpu+0x58/0x218\n[  800.357539]  handle_irq_event+0x54/0xb8\n[  800.361369]  handle_fasteoi_irq+0xac/0x240\n[  800.365458]  handle_irq_desc+0x48/0x68\n[  800.369200]  generic_handle_domain_irq+0x24/0x38\n[  800.373810]  gic_handle_irq+0x48/0xd8\n[  800.377464]  call_on_irq_stack+0x24/0x58\n[  800.381379]  do_interrupt_handler+0x88/0x98\n[  800.385554]  el1_interrupt+0x34/0x68\n[  800.389123]  el1h_64_irq_handler+0x18/0x28\n[  800.393211]  el1h_64_irq+0x64/0x68\n[  800.396603]  default_idle_call+0x3c/0x168\n[  800.400606]  do_idle+0x1fc/0x230\n[  800.403827]  cpu_startup_entry+0x40/0x50\n[  800.407742]  rest_init+0xe4/0xf0\n[  800.410962]  start_kernel+0x5e8/0x790\n[  800.414616]  __primary_switched+0x80/0x90\n[  800.418622] Code: 8b170277 8b160296 11000421 b9000861 (b9401ac1)\n[  800.424707] ---[ end trace 0000000000000000 ]---\n[  800.457313] ---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]---\n\nThis issue happens when the file descriptor is closed before the jobs\nsubmitted by it are completed. When the job completes, we update the\nglobal GPU stats and the per-fd GPU stats, which are exposed through\nfdinfo. If the file descriptor was closed, then the struct `v3d_file_priv`\nand its stats were already freed and we can\u0027t update the per-fd stats.\n\nTherefore, if the file descriptor was already closed, don\u0027t u\n---truncated---",
  "id": "GHSA-6c4r-cxgh-ghm9",
  "modified": "2025-07-04T15:31:08Z",
  "published": "2025-07-04T15:31:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38189"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f4701489d0f768a232b10d281491184f34bacf0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c886784000934d5486621106da0614c85bcd76a8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e1bc3a13bd775791cca0bb144d977b00f3598042"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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