{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-48633", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48633", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2024-04-28T12:59:15.555Z", "updatedAt": "2026-08-12T23:57:13.799Z", "importedAt": "2026-10-24T01:56:45.230Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "drm/gma500: Fix WARN_ON(lock->magic != lock) error", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gma500: Fix WARN_ON(lock->magic != lock) error\n\npsb_gem_unpin() calls dma_resv_lock() but the underlying ww_mutex\ngets destroyed by drm_gem_object_release() move the\ndrm_gem_object_release() call in psb_gem_free_object() to after\nthe unpin to fix the below warning:\n\n[ 79.693962] ------------[ cut here ]------------\n[ 79.693992] DEBUG_LOCKS_WARN_ON(lock->magic != lock)\n[ 79.694015] WARNING: CPU: 0 PID: 240 at kernel/locking/mutex.c:582 __ww_mutex_lock.constprop.0+0x569/0xfb0\n[ 79.694052] Modules linked in: rfcomm snd_seq_dummy snd_hrtimer qrtr bnep ath9k ath9k_common ath9k_hw snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel ath3k snd_intel_dspcfg mac80211 snd_intel_sdw_acpi btusb snd_hda_codec btrtl btbcm btintel btmtk bluetooth at24 snd_hda_core snd_hwdep uvcvideo snd_seq libarc4 videobuf2_vmalloc ath videobuf2_memops videobuf2_v4l2 videobuf2_common snd_seq_device videodev acer_wmi intel_powerclamp coretemp mc snd_pcm joydev sparse_keymap ecdh_generic pcspkr wmi_bmof cfg80211 i2c_i801 i2c_smbus snd_timer snd r8169 rfkill lpc_ich soundcore acpi_cpufreq zram rtsx_pci_sdmmc mmc_core serio_raw rtsx_pci gma500_gfx(E) video wmi ip6_tables ip_tables i2c_dev fuse\n[ 79.694436] CPU: 0 PID: 240 Comm: plymouthd Tainted: G W E 6.0.0-rc3+ #490\n[ 79.694457] Hardware name: Packard Bell dot s/SJE01_CT, BIOS V1.10 07/23/2013\n[ 79.694469] RIP: 0010:__ww_mutex_lock.constprop.0+0x569/0xfb0\n[ 79.694496] Code: ff 85 c0 0f 84 15 fb ff ff 8b 05 ca 3c 11 01 85 c0 0f 85 07 fb ff ff 48 c7 c6 30 cb 84 aa 48 c7 c7 a3 e1 82 aa e8 ac 29 f8 ff <0f> 0b e9 ed fa ff ff e8 5b 83 8a ff 85 c0 74 10 44 8b 0d 98 3c 11\n[ 79.694513] RSP: 0018:ffffad1dc048bbe0 EFLAGS: 00010282\n[ 79.694623] RAX: 0000000000000028 RBX: 0000000000000000 RCX: 0000000000000000\n[ 79.694636] RDX: 0000000000000001 RSI: ffffffffaa8b0ffc RDI: 00000000ffffffff\n[ 79.694650] RBP: ffffad1dc048bc80 R08: 0000000000000000 R09: ffffad1dc048ba90\n[ 79.694662] R10: 0000000000000003 R11: ffffffffaad62fe8 R12: ffff9ff302103138\n[ 79.694675] R13: ffff9ff306ec8000 R14: ffff9ff307779078 R15: ffff9ff3014c0270\n[ 79.694690] FS: 00007ff1cccf1740(0000) GS:ffff9ff3bc200000(0000) knlGS:0000000000000000\n[ 79.694705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 79.694719] CR2: 0000559ecbcb4420 CR3: 0000000013210000 CR4: 00000000000006f0\n[ 79.694734] Call Trace:\n[ 79.694749] \n[ 79.694761] ? __schedule+0x47f/0x1670\n[ 79.694796] ? psb_gem_unpin+0x27/0x1a0 [gma500_gfx]\n[ 79.694830] ? lock_is_held_type+0xe3/0x140\n[ 79.694864] ? ww_mutex_lock+0x38/0xa0\n[ 79.694885] ? __cond_resched+0x1c/0x30\n[ 79.694902] ww_mutex_lock+0x38/0xa0\n[ 79.694925] psb_gem_unpin+0x27/0x1a0 [gma500_gfx]\n[ 79.694964] psb_gem_unpin+0x199/0x1a0 [gma500_gfx]\n[ 79.694996] drm_gem_object_release_handle+0x50/0x60\n[ 79.695020] ? drm_gem_object_handle_put_unlocked+0xf0/0xf0\n[ 79.695042] idr_for_each+0x4b/0xb0\n[ 79.695066] ? _raw_spin_unlock_irqrestore+0x30/0x60\n[ 79.695095] drm_gem_release+0x1c/0x30\n[ 79.695118] drm_file_free.part.0+0x1ea/0x260\n[ 79.695150] drm_release+0x6a/0x120\n[ 79.695175] __fput+0x9f/0x260\n[ 79.695203] task_work_run+0x59/0xa0\n[ 79.695227] do_exit+0x387/0xbe0\n[ 79.695250] ? seqcount_lockdep_reader_access.constprop.0+0x82/0x90\n[ 79.695275] ? lockdep_hardirqs_on+0x7d/0x100\n[ 79.695304] do_group_exit+0x33/0xb0\n[ 79.695331] __x64_sys_exit_group+0x14/0x20\n[ 79.695353] do_syscall_64+0x58/0x80\n[ 79.695376] ? up_read+0x17/0x20\n[ 79.695401] ? lock_is_held_type+0xe3/0x140\n[ 79.695429] ? asm_exc_page_fault+0x22/0x30\n[ 79.695450] ? lockdep_hardirqs_on+0x7d/0x100\n[ 79.695473] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n[ 79.695493] RIP: 0033:0x7ff1ccefe3f1\n[ 79.695516] Code: Unable to access opcode bytes at RIP 0x7ff1ccefe3c7.\n[ 79.695607] RSP: 002b:00007ffed4413378 EFLAGS: \n---truncated---", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "16dad99de8f2abfcec9836e2031613a713e339d2", "status": "affected", "versionType": "git", "lessThan": "55c077d97fa67e9f19952bb24122a8316b089474" }, { "version": "16dad99de8f2abfcec9836e2031613a713e339d2", "status": "affected", "versionType": "git", "lessThan": "b6f25c3b94f2aadbf5cbef954db4073614943d74" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.19", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.19" }, { "version": "5.19.12", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.19.*" }, { "version": "6.0", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }