{ "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-2023-52866", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52866", "idYear": 2023, "status": "PUBLISHED", "publishedAt": "2024-05-21T15:31:57.191Z", "updatedAt": "2026-05-11T19:34:32.554Z", "importedAt": "2026-10-24T01:57:03.413Z", "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": "HID: uclogic: Fix user-memory-access bug in uclogic_params_ugee_v2_init_event_hooks()", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: uclogic: Fix user-memory-access bug in uclogic_params_ugee_v2_init_event_hooks()\n\nWhen CONFIG_HID_UCLOGIC=y and CONFIG_KUNIT_ALL_TESTS=y, launch kernel and\nthen the below user-memory-access bug occurs.\n\nIn hid_test_uclogic_params_cleanup_event_hooks(),it call\nuclogic_params_ugee_v2_init_event_hooks() with the first arg=NULL, so\nwhen it calls uclogic_params_ugee_v2_has_battery(), the hid_get_drvdata()\nwill access hdev->dev with hdev=NULL, which will cause below\nuser-memory-access.\n\nSo add a fake_device with quirks member and call hid_set_drvdata()\nto assign hdev->dev->driver_data which avoids the null-ptr-def bug\nfor drvdata->quirks in uclogic_params_ugee_v2_has_battery(). After applying\nthis patch, the below user-memory-access bug never occurs.\n\n general protection fault, probably for non-canonical address 0xdffffc0000000329: 0000 [#1] PREEMPT SMP KASAN\n KASAN: probably user-memory-access in range [0x0000000000001948-0x000000000000194f]\n CPU: 5 PID: 2189 Comm: kunit_try_catch Tainted: G B W N 6.6.0-rc2+ #30\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n RIP: 0010:uclogic_params_ugee_v2_init_event_hooks+0x87/0x600\n Code: f3 f3 65 48 8b 14 25 28 00 00 00 48 89 54 24 60 31 d2 48 89 fa c7 44 24 30 00 00 00 00 48 c7 44 24 28 02 f8 02 01 48 c1 ea 03 <80> 3c 02 00 0f 85 2c 04 00 00 48 8b 9d 48 19 00 00 48 b8 00 00 00\n RSP: 0000:ffff88810679fc88 EFLAGS: 00010202\n RAX: dffffc0000000000 RBX: 0000000000000004 RCX: 0000000000000000\n RDX: 0000000000000329 RSI: ffff88810679fd88 RDI: 0000000000001948\n RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1020f639f0\n R10: ffff888107b1cf87 R11: 0000000000000400 R12: 1ffff11020cf3f92\n R13: ffff88810679fd88 R14: ffff888100b97b08 R15: ffff8881030bb080\n FS: 0000000000000000(0000) GS:ffff888119e80000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000000 CR3: 0000000005286001 CR4: 0000000000770ee0\n DR0: ffffffff8fdd6cf4 DR1: ffffffff8fdd6cf5 DR2: ffffffff8fdd6cf6\n DR3: ffffffff8fdd6cf7 DR6: 00000000fffe0ff0 DR7: 0000000000000600\n PKRU: 55555554\n Call Trace:\n \n ? die_addr+0x3d/0xa0\n ? exc_general_protection+0x144/0x220\n ? asm_exc_general_protection+0x22/0x30\n ? uclogic_params_ugee_v2_init_event_hooks+0x87/0x600\n ? sched_clock_cpu+0x69/0x550\n ? uclogic_parse_ugee_v2_desc_gen_params+0x70/0x70\n ? load_balance+0x2950/0x2950\n ? rcu_trc_cmpxchg_need_qs+0x67/0xa0\n hid_test_uclogic_params_cleanup_event_hooks+0x9e/0x1a0\n ? uclogic_params_ugee_v2_init_event_hooks+0x600/0x600\n ? __switch_to+0x5cf/0xe60\n ? migrate_enable+0x260/0x260\n ? __kthread_parkme+0x83/0x150\n ? kunit_try_run_case_cleanup+0xe0/0xe0\n kunit_generic_run_threadfn_adapter+0x4a/0x90\n ? kunit_try_catch_throw+0x80/0x80\n kthread+0x2b5/0x380\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x2d/0x70\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork_asm+0x11/0x20\n \n Modules linked in:\n Dumping ftrace buffer:\n (ftrace buffer empty)\n ---[ end trace 0000000000000000 ]---\n RIP: 0010:uclogic_params_ugee_v2_init_event_hooks+0x87/0x600\n Code: f3 f3 65 48 8b 14 25 28 00 00 00 48 89 54 24 60 31 d2 48 89 fa c7 44 24 30 00 00 00 00 48 c7 44 24 28 02 f8 02 01 48 c1 ea 03 <80> 3c 02 00 0f 85 2c 04 00 00 48 8b 9d 48 19 00 00 48 b8 00 00 00\n RSP: 0000:ffff88810679fc88 EFLAGS: 00010202\n RAX: dffffc0000000000 RBX: 0000000000000004 RCX: 0000000000000000\n RDX: 0000000000000329 RSI: ffff88810679fd88 RDI: 0000000000001948\n RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1020f639f0\n R10: ffff888107b1cf87 R11: 0000000000000400 R12: 1ffff11020cf3f92\n R13: ffff88810679fd88 R14: ffff888100b97b08 R15: ffff8881030bb080\n FS: 0000000000000000(0000) GS:ffff888119e80000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000000 CR3: 0000000005286001 CR4: 0000000000770ee0\n DR0: ffffffff8fdd6cf4 DR1: \n---truncated---", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "a251d6576d2a29fc0806ef4775719e3b6e672d91", "status": "affected", "versionType": "git", "lessThan": "64da1f6147dac7f8499d4937a0d7ea990bf569e8" }, { "version": "a251d6576d2a29fc0806ef4775719e3b6e672d91", "status": "affected", "versionType": "git", "lessThan": "6c8f953728d75104d994893f58801c457274335a" }, { "version": "a251d6576d2a29fc0806ef4775719e3b6e672d91", "status": "affected", "versionType": "git", "lessThan": "91cfe0bbaa1c434d4271eb6e1d7aaa1fe8d121f6" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "6.3", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "6.3" }, { "version": "6.5.12", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.5.*" }, { "version": "6.6.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.7", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }