{"schema_version":"1.9.0","id":"CVE-2023-52752","published":"2024-05-21T15:30:40.901Z","modified":"2026-08-12T03:51:43.428121130Z","related":["SUSE-SU-2024:2360-1","SUSE-SU-2024:2362-1","SUSE-SU-2024:2365-1","SUSE-SU-2024:2372-1","SUSE-SU-2024:2381-1","SUSE-SU-2024:2384-1","SUSE-SU-2024:2385-1","SUSE-SU-2024:2394-1","SUSE-SU-2024:2495-1","SUSE-SU-2024:2561-1","SUSE-SU-2024:2895-1","SUSE-SU-2024:2939-1","SUSE-SU-2024:3551-1","SUSE-SU-2024:3553-1","SUSE-SU-2024:3561-1","SUSE-SU-2024:3564-1","SUSE-SU-2024:3764-1","SUSE-SU-2024:3767-1","SUSE-SU-2024:3774-1","SUSE-SU-2024:3775-1","SUSE-SU-2024:3777-1","SUSE-SU-2024:3780-1","SUSE-SU-2024:3782-1","SUSE-SU-2024:3783-1","SUSE-SU-2024:3793-1","SUSE-SU-2024:3794-1","SUSE-SU-2024:3796-1","SUSE-SU-2024:3797-1","SUSE-SU-2024:3798-1","SUSE-SU-2024:3799-1","SUSE-SU-2024:3800-1","SUSE-SU-2024:3803-1","SUSE-SU-2024:3804-1","SUSE-SU-2024:3805-1","SUSE-SU-2024:3806-1","SUSE-SU-2024:3814-1","SUSE-SU-2024:3815-1","SUSE-SU-2024:3816-1","SUSE-SU-2024:3820-1","SUSE-SU-2024:3821-1","SUSE-SU-2024:3822-1","SUSE-SU-2024:3824-1","SUSE-SU-2024:3829-1","SUSE-SU-2024:3830-1","SUSE-SU-2024:3831-1","SUSE-SU-2024:3833-1","SUSE-SU-2024:3834-1","SUSE-SU-2024:3835-1","SUSE-SU-2024:3837-1","SUSE-SU-2024:3838-1","SUSE-SU-2024:3840-1","SUSE-SU-2024:3842-1","SUSE-SU-2024:3848-1","SUSE-SU-2024:3849-1","SUSE-SU-2024:3850-1","SUSE-SU-2024:3851-1","SUSE-SU-2024:3852-1","SUSE-SU-2024:3854-1","SUSE-SU-2024:3855-1","SUSE-SU-2024:3857-1","SUSE-SU-2024:3859-1","SUSE-SU-2024:3860-1","SUSE-SU-2024:3880-1","SUSE-SU-2024:3881-1","SUSE-SU-2024:3882-1","SUSE-SU-2024:3884-1","SUSE-SU-2024:3885-1","SUSE-SU-2024:4122-1","SUSE-SU-2024:4123-1","SUSE-SU-2024:4124-1","SUSE-SU-2024:4125-1","SUSE-SU-2024:4127-1","SUSE-SU-2024:4139-1","SUSE-SU-2024:4180-1","SUSE-SU-2024:4197-1","SUSE-SU-2024:4207-1","SUSE-SU-2024:4208-1","SUSE-SU-2024:4209-1","SUSE-SU-2024:4210-1","SUSE-SU-2024:4214-1","SUSE-SU-2024:4216-1","SUSE-SU-2024:4218-1","SUSE-SU-2024:4226-1","SUSE-SU-2024:4228-1","SUSE-SU-2024:4231-1","SUSE-SU-2024:4234-1","SUSE-SU-2024:4235-1","SUSE-SU-2024:4236-1","SUSE-SU-2024:4242-1","SUSE-SU-2024:4243-1","SUSE-SU-2024:4246-1","SUSE-SU-2024:4249-1","SUSE-SU-2024:4250-1","SUSE-SU-2024:4256-1","SUSE-SU-2024:4263-1","SUSE-SU-2024:4264-1","SUSE-SU-2024:4266-1","SUSE-SU-2024:4275-1","SUSE-SU-2025:0084-1","SUSE-SU-2025:0085-1","SUSE-SU-2025:0091-1","SUSE-SU-2025:0097-1","SUSE-SU-2025:0101-1","SUSE-SU-2025:0103-1","SUSE-SU-2025:0106-1","SUSE-SU-2025:0107-1","SUSE-SU-2025:0109-1","SUSE-SU-2025:0110-1","SUSE-SU-2025:0114-1","SUSE-SU-2025:0115-1","SUSE-SU-2025:0124-1","SUSE-SU-2025:0131-1","SUSE-SU-2025:0137-1","SUSE-SU-2025:0138-1","SUSE-SU-2025:0146-1","SUSE-SU-2025:0150-1","SUSE-SU-2025:0158-1","SUSE-SU-2025:0164-1","SUSE-SU-2025:0168-1","SUSE-SU-2025:0179-1","SUSE-SU-2025:0187-1","SUSE-SU-2025:0188-1","SUSE-SU-2025:0238-1","SUSE-SU-2025:0239-1","SUSE-SU-2025:0240-1","SUSE-SU-2025:0244-1","SUSE-SU-2025:0248-1","SUSE-SU-2025:0249-1","SUSE-SU-2025:0251-1","SUSE-SU-2025:0252-1","SUSE-SU-2025:0253-1","SUSE-SU-2025:0254-1","SUSE-SU-2025:0255-1","SUSE-SU-2025:0260-1","SUSE-SU-2025:0261-1","SUSE-SU-2025:0262-1","SUSE-SU-2025:0264-1","SUSE-SU-2025:0265-1","SUSE-SU-2025:0266-1","SUSE-SU-2025:0269-1","SUSE-SU-2025:20073-1","SUSE-SU-2025:20077-1"],"summary":"smb: client: fix use-after-free bug in cifs_debug_data_proc_show()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix use-after-free bug in cifs_debug_data_proc_show()\n\nSkip SMB sessions that are being teared down\n(e.g. @ses->ses_status == SES_EXITING) in cifs_debug_data_proc_show()\nto avoid use-after-free in @ses.\n\nThis fixes the following GPF when reading from /proc/fs/cifs/DebugData\nwhile mounting and umounting\n\n  [ 816.251274] general protection fault, probably for non-canonical\n  address 0x6b6b6b6b6b6b6d81: 0000 [#1] PREEMPT SMP NOPTI\n  ...\n  [  816.260138] Call Trace:\n  [  816.260329]  <TASK>\n  [  816.260499]  ? die_addr+0x36/0x90\n  [  816.260762]  ? exc_general_protection+0x1b3/0x410\n  [  816.261126]  ? asm_exc_general_protection+0x26/0x30\n  [  816.261502]  ? cifs_debug_tcon+0xbd/0x240 [cifs]\n  [  816.261878]  ? cifs_debug_tcon+0xab/0x240 [cifs]\n  [  816.262249]  cifs_debug_data_proc_show+0x516/0xdb0 [cifs]\n  [  816.262689]  ? seq_read_iter+0x379/0x470\n  [  816.262995]  seq_read_iter+0x118/0x470\n  [  816.263291]  proc_reg_read_iter+0x53/0x90\n  [  816.263596]  ? srso_alias_return_thunk+0x5/0x7f\n  [  816.263945]  vfs_read+0x201/0x350\n  [  816.264211]  ksys_read+0x75/0x100\n  [  816.264472]  do_syscall_64+0x3f/0x90\n  [  816.264750]  entry_SYSCALL_64_after_hwframe+0x6e/0xd8\n  [  816.265135] RIP: 0033:0x7fd5e669d381","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7f48558e6489d032b1584b0cc9ac4bb11072c034"},{"fixed":"2abdf136784b7edaec7ffe0f4b461b63f9c4c4de"},{"fixed":"336a066990bb3962c46daf574ace596bda9303ce"},{"fixed":"558817597d5fbd7af31f891b67b0fd20f0d047b7"},{"fixed":"89929ea46f9cc11ba66d2c64713aa5d5dc723b09"},{"fixed":"0ab6f842452ce2cae04209d4671ac6289d0aef8a"},{"fixed":"d328c09ee9f15ee5a26431f5aad7c9239fa85e62"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"a67172a013953664b1dad03c648200c70b90506c"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"3.12.48"},{"fixed":"3.13"}]}],"versions":["v3.12.47","v3.12.46","v3.12.45","v3.12.44","v3.12.43","v3.12.42","v3.12.41","v3.12.40","v3.12.39","v3.12.38","v3.12.37","v3.12.36","v3.12.35","v3.12.34","v3.12.33","v3.12.32","v3.12.31","v3.12.30","v3.12.29","v3.12.28","v3.12.27","v3.12.26","v3.12.25","v3.12.24","v3.12.23","v3.12.22","v3.12.21","v3.12.20","v3.12.19","v3.12.18","v3.12.17","v3.12.16","v3.12.15","v3.12.14","v3.12.13","v3.12.12","v3.12.11","v3.12.10","v3.12.9","v3.12.8","v3.12","v3.12.7","v3.12.6","v3.12.5","v3.12.4","v3.12.3","v3.12.2","v3.12.1","v3.12-rc7","v3.12-rc3","v3.12-rc6","v3.12-rc1","v3.12-rc5","v3.11","v3.12-rc2","v3.12-rc4","v3.11-rc7","v3.11-rc2","v3.11-rc5","v3.11-rc1","v3.11-rc3","v3.11-rc4","v3.11-rc6","v3.10-rc2","v3.10","v3.10-rc7","v3.10-rc6","v3.10-rc1","v3.10-rc5","v3.10-rc3","v3.10-rc4","v3.9","v3.9-rc2","v3.9-rc7","v3.9-rc8","v3.9-rc3","v3.9-rc6","v3.9-rc5","v3.9-rc4","v3.9-rc1","v3.8","v3.8-rc7","v3.8-rc6","v3.8-rc5","v3.8-rc2","v3.8-rc1","v3.8-rc3","v3.8-rc4","v3.7","v3.7-rc1","v3.6","v3.7-rc6","v3.7-rc7","v3.7-rc3","v3.7-rc8","v3.7-rc2","v3.7-rc4","v3.7-rc5","v3.6-rc7","v3.6-rc1","v3.5-rc3","v3.6-rc6","v3.6-rc5","v3.5","v3.6-rc3","v3.6-rc4","v3.6-rc2","v3.4-rc4","v3.5-rc7","v3.5-rc5","v3.5-rc6","v3.5-rc2","v3.5-rc1","v3.5-rc4","v3.4","v3.4-rc2","v3.4-rc1","v3.4-rc7","v3.4-rc6","v3.4-rc3","v3.4-rc5","v3.3","v3.3-rc6","v3.3-rc3","v3.3-rc7","v3.3-rc2","v3.3-rc5","v3.2","v3.3-rc4","v3.3-rc1","v3.2-rc4","v3.2-rc7","v3.2-rc6","v3.2-rc5","v3.2-rc3","v3.1","v3.2-rc2","v3.2-rc1","v3.1-rc1","v3.1-rc9","v3.1-rc8","v3.1-rc10","v3.1-rc7","v3.1-rc3","v3.1-rc2","v3.1-rc4","v3.1-rc5","v3.0","v3.1-rc6","v3.0-rc7","v3.0-rc4","v3.0-rc6","v3.0-rc5","v3.0-rc3","v3.0-rc1","v2.6.39","v3.0-rc2","v2.6.38","v2.6.39-rc2","v2.6.39-rc7","v2.6.39-rc5","v2.6.39-rc1","v2.6.38-rc7","v2.6.39-rc6","v2.6.39-rc4","v2.6.39-rc3","v2.6.37","v2.6.38-rc1","v2.6.38-rc8","v2.6.38-rc2","v2.6.38-rc6","v2.6.38-rc5","v2.6.38-rc4","v2.6.38-rc3","v2.6.37-rc4","v2.6.37-rc2","v2.6.36","v2.6.37-rc5","v2.6.37-rc8","v2.6.37-rc7","v2.6.37-rc6","v2.6.37-rc1","v2.6.37-rc3","v2.6.36-rc6","v2.6.35-rc4","v2.6.36-rc8","v2.6.35","v2.6.36-rc7","v2.6.36-rc3","v2.6.36-rc5","v2.6.36-rc4","v2.6.36-rc2","v2.6.36-rc1","v2.6.35-rc5","v2.6.35-rc6","v2.6.34","v2.6.35-rc3","v2.6.35-rc1","v2.6.35-rc2","v2.6.34-rc7","v2.6.34-rc6","v2.6.34-rc5","v2.6.34-rc4","v2.6.34-rc3","v2.6.34-rc2","v2.6.34-rc1","v2.6.33","v2.6.33-rc6","v2.6.33-rc8","v2.6.33-rc4","v2.6.33-rc5","v2.6.33-rc3","v2.6.33-rc7","v2.6.33-rc2","v2.6.32","v2.6.33-rc1","v2.6.32-rc8","v2.6.32-rc7","v2.6.32-rc6","v2.6.31","v2.6.32-rc5","v2.6.32-rc4","v2.6.32-rc2","v2.6.32-rc1","v2.6.32-rc3","v2.6.31-rc9","v2.6.31-rc1","v2.6.31-rc7","v2.6.31-rc8","v2.6.31-rc6","v2.6.30-rc6","v2.6.30","v2.6.31-rc4","v2.6.31-rc5","v2.6.31-rc3","v2.6.31-rc2","v2.6.30-rc7","v2.6.30-rc8","v2.6.30-rc5","v2.6.30-rc3","v2.6.30-rc4","v2.6.30-rc1","v2.6.30-rc2","v2.6.29","v2.6.29-rc8","v2.6.29-rc7","v2.6.29-rc5","v2.6.29-rc1","v2.6.29-rc6","v2.6.29-rc4","v2.6.29-rc3","v2.6.29-rc2","v2.6.28","v2.6.28-rc7","v2.6.28-rc9","v2.6.28-rc8","v2.6.28-rc6","v2.6.28-rc5","v2.6.28-rc4","v2.6.28-rc2","v2.6.28-rc3","v2.6.28-rc1","v2.6.27","v2.6.27-rc7","v2.6.27-rc9","v2.6.27-rc8","v2.6.27-rc5","v2.6.27-rc6","v2.6.27-rc4","v2.6.27-rc1","v2.6.27-rc3","v2.6.27-rc2","v2.6.26","v2.6.26-rc9","v2.6.26-rc8","v2.6.26-rc3","v2.6.26-rc7","v2.6.26-rc6","v2.6.26-rc5","v2.6.26-rc4","v2.6.26-rc2","v2.6.26-rc1","v2.6.25","v2.6.25-rc7","v2.6.25-rc9","v2.6.25-rc8","v2.6.25-rc6","v2.6.25-rc5","v2.6.25-rc3","v2.6.25-rc4","v2.6.24","v2.6.25-rc2","v2.6.25-rc1","v2.6.24-rc8","v2.6.24-rc7","v2.6.24-rc6","v2.6.24-rc5","v2.6.24-rc4","v2.6.24-rc3","v2.6.24-rc2","v2.6.24-rc1","v2.6.23","v2.6.23-rc9","v2.6.23-rc8","v2.6.23-rc5","v2.6.23-rc7","v2.6.23-rc6","v2.6.23-rc4","v2.6.23-rc3","v2.6.23-rc2","v2.6.23-rc1","v2.6.22","v2.6.22-rc7","v2.6.22-rc6","v2.6.22-rc5","v2.6.22-rc4","v2.6.22-rc3","v2.6.22-rc2","v2.6.22-rc1","v2.6.21","v2.6.21-rc7","v2.6.21-rc6","v2.6.21-rc5","v2.6.21-rc4","v2.6.21-rc3","v2.6.21-rc2","v2.6.21-rc1","v2.6.20-rc7","v2.6.20-rc6","v2.6.20-rc5","v2.6.20-rc4","v2.6.20-rc3","v2.6.20-rc1","v2.6.20-rc2","v2.6.19-rc2","v2.6.18","v2.6.19-rc1","v2.6.18-rc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