{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-48634"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gma500: Fix BUG: sleeping function called from invalid context errors\n\ngma_crtc_page_flip() was holding the event_lock spinlock while calling\ncrtc_funcs-\u003emode_set_base() which takes ww_mutex.\n\nThe only reason to hold event_lock is to clear gma_crtc-\u003epage_flip_event\non mode_set_base() errors.\n\nInstead unlock it after setting gma_crtc-\u003epage_flip_event and on\nerrors re-take the lock and clear gma_crtc-\u003epage_flip_event it\nit is still set.\n\nThis fixes the following WARN/stacktrace:\n\n[  512.122953] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:870\n[  512.123004] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1253, name: gnome-shell\n[  512.123031] preempt_count: 1, expected: 0\n[  512.123048] RCU nest depth: 0, expected: 0\n[  512.123066] INFO: lockdep is turned off.\n[  512.123080] irq event stamp: 0\n[  512.123094] hardirqs last  enabled at (0): [\u003c0000000000000000\u003e] 0x0\n[  512.123134] hardirqs last disabled at (0): [\u003cffffffff8d0ec28c\u003e] copy_process+0x9fc/0x1de0\n[  512.123176] softirqs last  enabled at (0): [\u003cffffffff8d0ec28c\u003e] copy_process+0x9fc/0x1de0\n[  512.123207] softirqs last disabled at (0): [\u003c0000000000000000\u003e] 0x0\n[  512.123233] Preemption disabled at:\n[  512.123241] [\u003c0000000000000000\u003e] 0x0\n[  512.123275] CPU: 3 PID: 1253 Comm: gnome-shell Tainted: G        W         5.19.0+ #1\n[  512.123304] Hardware name: Packard Bell dot s/SJE01_CT, BIOS V1.10 07/23/2013\n[  512.123323] Call Trace:\n[  512.123346]  \u003cTASK\u003e\n[  512.123370]  dump_stack_lvl+0x5b/0x77\n[  512.123412]  __might_resched.cold+0xff/0x13a\n[  512.123458]  ww_mutex_lock+0x1e/0xa0\n[  512.123495]  psb_gem_pin+0x2c/0x150 [gma500_gfx]\n[  512.123601]  gma_pipe_set_base+0x76/0x240 [gma500_gfx]\n[  512.123708]  gma_crtc_page_flip+0x95/0x130 [gma500_gfx]\n[  512.123808]  drm_mode_page_flip_ioctl+0x57d/0x5d0\n[  512.123897]  ? drm_mode_cursor2_ioctl+0x10/0x10\n[  512.123936]  drm_ioctl_kernel+0xa1/0x150\n[  512.123984]  drm_ioctl+0x21f/0x420\n[  512.124025]  ? drm_mode_cursor2_ioctl+0x10/0x10\n[  512.124070]  ? rcu_read_lock_bh_held+0xb/0x60\n[  512.124104]  ? lock_release+0x1ef/0x2d0\n[  512.124161]  __x64_sys_ioctl+0x8d/0xd0\n[  512.124203]  do_syscall_64+0x58/0x80\n[  512.124239]  ? do_syscall_64+0x67/0x80\n[  512.124267]  ? trace_hardirqs_on_prepare+0x55/0xe0\n[  512.124300]  ? do_syscall_64+0x67/0x80\n[  512.124340]  ? rcu_read_lock_sched_held+0x10/0x80\n[  512.124377]  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[  512.124411] RIP: 0033:0x7fcc4a70740f\n[  512.124442] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 \u003c89\u003e c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00\n[  512.124470] RSP: 002b:00007ffda73f5390 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\n[  512.124503] RAX: ffffffffffffffda RBX: 000055cc9e474500 RCX: 00007fcc4a70740f\n[  512.124524] RDX: 00007ffda73f5420 RSI: 00000000c01864b0 RDI: 0000000000000009\n[  512.124544] RBP: 00007ffda73f5420 R08: 000055cc9c0b0cb0 R09: 0000000000000034\n[  512.124564] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c01864b0\n[  512.124584] R13: 0000000000000009 R14: 000055cc9df484d0 R15: 000055cc9af5d0c0\n[  512.124647]  \u003c/TASK\u003e",
      "id": "GSD-2022-48634",
      "modified": "2024-02-26T06:00:31.382986Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2022-48634",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "1da177e4c3f4",
                          "version_value": "c5812807e416"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "lessThanOrEqual": "5.10.*",
                                "status": "unaffected",
                                "version": "5.10.146",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.15.*",
                                "status": "unaffected",
                                "version": "5.15.71",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.19.*",
                                "status": "unaffected",
                                "version": "5.19.12",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
                                "version": "6.0",
                                "versionType": "original_commit_for_fix"
                              }
                            ]
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Linux"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gma500: Fix BUG: sleeping function called from invalid context errors\n\ngma_crtc_page_flip() was holding the event_lock spinlock while calling\ncrtc_funcs-\u003emode_set_base() which takes ww_mutex.\n\nThe only reason to hold event_lock is to clear gma_crtc-\u003epage_flip_event\non mode_set_base() errors.\n\nInstead unlock it after setting gma_crtc-\u003epage_flip_event and on\nerrors re-take the lock and clear gma_crtc-\u003epage_flip_event it\nit is still set.\n\nThis fixes the following WARN/stacktrace:\n\n[  512.122953] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:870\n[  512.123004] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1253, name: gnome-shell\n[  512.123031] preempt_count: 1, expected: 0\n[  512.123048] RCU nest depth: 0, expected: 0\n[  512.123066] INFO: lockdep is turned off.\n[  512.123080] irq event stamp: 0\n[  512.123094] hardirqs last  enabled at (0): [\u003c0000000000000000\u003e] 0x0\n[  512.123134] hardirqs last disabled at (0): [\u003cffffffff8d0ec28c\u003e] copy_process+0x9fc/0x1de0\n[  512.123176] softirqs last  enabled at (0): [\u003cffffffff8d0ec28c\u003e] copy_process+0x9fc/0x1de0\n[  512.123207] softirqs last disabled at (0): [\u003c0000000000000000\u003e] 0x0\n[  512.123233] Preemption disabled at:\n[  512.123241] [\u003c0000000000000000\u003e] 0x0\n[  512.123275] CPU: 3 PID: 1253 Comm: gnome-shell Tainted: G        W         5.19.0+ #1\n[  512.123304] Hardware name: Packard Bell dot s/SJE01_CT, BIOS V1.10 07/23/2013\n[  512.123323] Call Trace:\n[  512.123346]  \u003cTASK\u003e\n[  512.123370]  dump_stack_lvl+0x5b/0x77\n[  512.123412]  __might_resched.cold+0xff/0x13a\n[  512.123458]  ww_mutex_lock+0x1e/0xa0\n[  512.123495]  psb_gem_pin+0x2c/0x150 [gma500_gfx]\n[  512.123601]  gma_pipe_set_base+0x76/0x240 [gma500_gfx]\n[  512.123708]  gma_crtc_page_flip+0x95/0x130 [gma500_gfx]\n[  512.123808]  drm_mode_page_flip_ioctl+0x57d/0x5d0\n[  512.123897]  ? drm_mode_cursor2_ioctl+0x10/0x10\n[  512.123936]  drm_ioctl_kernel+0xa1/0x150\n[  512.123984]  drm_ioctl+0x21f/0x420\n[  512.124025]  ? drm_mode_cursor2_ioctl+0x10/0x10\n[  512.124070]  ? rcu_read_lock_bh_held+0xb/0x60\n[  512.124104]  ? lock_release+0x1ef/0x2d0\n[  512.124161]  __x64_sys_ioctl+0x8d/0xd0\n[  512.124203]  do_syscall_64+0x58/0x80\n[  512.124239]  ? do_syscall_64+0x67/0x80\n[  512.124267]  ? trace_hardirqs_on_prepare+0x55/0xe0\n[  512.124300]  ? do_syscall_64+0x67/0x80\n[  512.124340]  ? rcu_read_lock_sched_held+0x10/0x80\n[  512.124377]  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[  512.124411] RIP: 0033:0x7fcc4a70740f\n[  512.124442] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 \u003c89\u003e c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00\n[  512.124470] RSP: 002b:00007ffda73f5390 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\n[  512.124503] RAX: ffffffffffffffda RBX: 000055cc9e474500 RCX: 00007fcc4a70740f\n[  512.124524] RDX: 00007ffda73f5420 RSI: 00000000c01864b0 RDI: 0000000000000009\n[  512.124544] RBP: 00007ffda73f5420 R08: 000055cc9c0b0cb0 R09: 0000000000000034\n[  512.124564] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c01864b0\n[  512.124584] R13: 0000000000000009 R14: 000055cc9df484d0 R15: 000055cc9af5d0c0\n[  512.124647]  \u003c/TASK\u003e"
          }
        ]
      },
      "generator": {
        "engine": "bippy-d175d3acf727"
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://git.kernel.org/stable/c/c5812807e416618477d1bb0049727ce8bb8292fd",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/c5812807e416618477d1bb0049727ce8bb8292fd"
          },
          {
            "name": "https://git.kernel.org/stable/c/e5ae504c8623476e13032670f1a6d6344d53ec9b",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/e5ae504c8623476e13032670f1a6d6344d53ec9b"
          },
          {
            "name": "https://git.kernel.org/stable/c/a6ed7624bf4d0a32f2631e74828bca7b7bf15afd",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/a6ed7624bf4d0a32f2631e74828bca7b7bf15afd"
          },
          {
            "name": "https://git.kernel.org/stable/c/63e37a79f7bd939314997e29c2f5a9f0ef184281",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/63e37a79f7bd939314997e29c2f5a9f0ef184281"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gma500: Fix BUG: sleeping function called from invalid context errors\n\ngma_crtc_page_flip() was holding the event_lock spinlock while calling\ncrtc_funcs-\u003emode_set_base() which takes ww_mutex.\n\nThe only reason to hold event_lock is to clear gma_crtc-\u003epage_flip_event\non mode_set_base() errors.\n\nInstead unlock it after setting gma_crtc-\u003epage_flip_event and on\nerrors re-take the lock and clear gma_crtc-\u003epage_flip_event it\nit is still set.\n\nThis fixes the following WARN/stacktrace:\n\n[  512.122953] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:870\n[  512.123004] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1253, name: gnome-shell\n[  512.123031] preempt_count: 1, expected: 0\n[  512.123048] RCU nest depth: 0, expected: 0\n[  512.123066] INFO: lockdep is turned off.\n[  512.123080] irq event stamp: 0\n[  512.123094] hardirqs last  enabled at (0): [\u003c0000000000000000\u003e] 0x0\n[  512.123134] hardirqs last disabled at (0): [\u003cffffffff8d0ec28c\u003e] copy_process+0x9fc/0x1de0\n[  512.123176] softirqs last  enabled at (0): [\u003cffffffff8d0ec28c\u003e] copy_process+0x9fc/0x1de0\n[  512.123207] softirqs last disabled at (0): [\u003c0000000000000000\u003e] 0x0\n[  512.123233] Preemption disabled at:\n[  512.123241] [\u003c0000000000000000\u003e] 0x0\n[  512.123275] CPU: 3 PID: 1253 Comm: gnome-shell Tainted: G        W         5.19.0+ #1\n[  512.123304] Hardware name: Packard Bell dot s/SJE01_CT, BIOS V1.10 07/23/2013\n[  512.123323] Call Trace:\n[  512.123346]  \u003cTASK\u003e\n[  512.123370]  dump_stack_lvl+0x5b/0x77\n[  512.123412]  __might_resched.cold+0xff/0x13a\n[  512.123458]  ww_mutex_lock+0x1e/0xa0\n[  512.123495]  psb_gem_pin+0x2c/0x150 [gma500_gfx]\n[  512.123601]  gma_pipe_set_base+0x76/0x240 [gma500_gfx]\n[  512.123708]  gma_crtc_page_flip+0x95/0x130 [gma500_gfx]\n[  512.123808]  drm_mode_page_flip_ioctl+0x57d/0x5d0\n[  512.123897]  ? drm_mode_cursor2_ioctl+0x10/0x10\n[  512.123936]  drm_ioctl_kernel+0xa1/0x150\n[  512.123984]  drm_ioctl+0x21f/0x420\n[  512.124025]  ? drm_mode_cursor2_ioctl+0x10/0x10\n[  512.124070]  ? rcu_read_lock_bh_held+0xb/0x60\n[  512.124104]  ? lock_release+0x1ef/0x2d0\n[  512.124161]  __x64_sys_ioctl+0x8d/0xd0\n[  512.124203]  do_syscall_64+0x58/0x80\n[  512.124239]  ? do_syscall_64+0x67/0x80\n[  512.124267]  ? trace_hardirqs_on_prepare+0x55/0xe0\n[  512.124300]  ? do_syscall_64+0x67/0x80\n[  512.124340]  ? rcu_read_lock_sched_held+0x10/0x80\n[  512.124377]  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[  512.124411] RIP: 0033:0x7fcc4a70740f\n[  512.124442] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 \u003c89\u003e c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00\n[  512.124470] RSP: 002b:00007ffda73f5390 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\n[  512.124503] RAX: ffffffffffffffda RBX: 000055cc9e474500 RCX: 00007fcc4a70740f\n[  512.124524] RDX: 00007ffda73f5420 RSI: 00000000c01864b0 RDI: 0000000000000009\n[  512.124544] RBP: 00007ffda73f5420 R08: 000055cc9c0b0cb0 R09: 0000000000000034\n[  512.124564] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c01864b0\n[  512.124584] R13: 0000000000000009 R14: 000055cc9df484d0 R15: 000055cc9af5d0c0\n[  512.124647]  \u003c/TASK\u003e"
          }
        ],
        "id": "CVE-2022-48634",
        "lastModified": "2024-04-28T13:15:06.617",
        "metrics": {},
        "published": "2024-04-28T13:15:06.617",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/63e37a79f7bd939314997e29c2f5a9f0ef184281"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/a6ed7624bf4d0a32f2631e74828bca7b7bf15afd"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/c5812807e416618477d1bb0049727ce8bb8292fd"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/e5ae504c8623476e13032670f1a6d6344d53ec9b"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Received"
      }
    }
  }
}