medium
4.9
CWE
NVD-CWE-Other 476
Advisory Published
CVE Published
Updated

CVE-2011-4325: Null Pointer Dereference

First published: Mon Nov 21 2011(Updated: )

diotest4 from LTP will crash client on NFS mount. Not a regression, 5.7 GA kernel has the same issue. Unable to handle kernel NULL pointer dereference at 0000000000000038 RIP: [<ffffffff887aed65>] :nfs:__put_nfs_open_context+0x7/0x93 PGD 16bba2067 PUD 14bcd1067 PMD 0 Oops: 0000 [1] SMP last sysfs file: /devices/pci0000:00/0000:00:00.0/local_cpus CPU 2 Modules linked in: nfs nfsd exportfs nfs_acl auth_rpcgss autofs4 hidp rfcomm l2cap bluetooth lockd sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf ipt_REJECT ip6t_REJECT xt_tcpudp ip6table_filter ip6_tables x_tables be2iscsi ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp bnx2i cnic ipv6 xfrm_nalgo crypto_api uio cxgb3i libcxgbi cxgb3 8021q libiscsi_tcp libiscsi2 scsi_transport_iscsi2 scsi_transport_iscsi dm_mirror dm_multipath scsi_dh video backlight sbs power_meter hwmon i2c_ec dell_wmi wmi button battery asus_acpi acpi_memhotplug ac parport_pc lp parport joydev i2c_i801 i2c_core ide_cd cdc_ether i7core_edac cdrom usbnet edac_mc tpm_tis tpm tpm_bios bnx2 sg pcspkr dm_raid45 dm_message dm_region_hash dm_log dm_mod dm_mem_cache ata_piix libata shpchp megaraid_sas sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd Pid: 4577, comm: diotest4 Not tainted 2.6.18-296.el5 #1 RIP: 0010:[<ffffffff887aed65>] [<ffffffff887aed65>] :nfs:__put_nfs_open_context+0x7/0x93 RSP: 0018:ffff810153cc1d28 EFLAGS: 00010246 RAX: ffff81014df95b10 RBX: ffff81014df95840 RCX: ffff81017fe5e608 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff81014df95840 R08: ffff81014df95840 R09: 0000000000000000 R10: ffff81014df95840 R11: 0000000000000310 R12: 0000000000000000 R13: 0000000000001000 R14: ffff81014aff9218 R15: ffff81014ced68c0 FS: 00002b51e08b3af0(0000) GS:ffff810105524ec0(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000038 CR3: 000000014a8fb000 CR4: 00000000000006a0 Process diotest4 (pid: 4577, threadinfo ffff810153cc0000, task ffff81017fc877a0) Stack: ffff81014df95840 ffff81014df95840 ffff81014ced6898 ffffffff887b4459 fffffffffffffff4 ffffffff887ccca6 ffff810153cc1e68 0000000000001000 ffff810153cc1e08 ffff81014a335a00 0000000000001000 0000000000008000 Call Trace: [<ffffffff887b4459>] :nfs:nfs_readdata_release+0x10/0x16 [<ffffffff887ccca6>] :nfs:nfs_file_direct_read+0x1b8/0x52f [<ffffffff8000cf47>] do_sync_read+0xc7/0x104 [<ffffffff887aef81>] :nfs:nfs_open+0x10b/0x125 [<ffffffff800a3346>] autoremove_wake_function+0x0/0x2e [<ffffffff8000b72f>] vfs_read+0xcb/0x171 [<ffffffff80011d15>] sys_read+0x45/0x6e [<ffffffff8005d28d>] tracesys+0xd5/0xe0 Code: 48 8b 47 38 48 89 fb 48 8b 68 10 48 8d b5 b4 00 00 00 e8 c9 RIP [<ffffffff887aed65>] :nfs:__put_nfs_open_context+0x7/0x93 RSP <ffff810153cc1d28> CR2: 0000000000000038 <0>Kernel panic - not syncing: Fatal exception

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel=2.6.27.29
Linux Linux kernel=2.6.27.12
Linux Linux kernel=2.6.20.6
Linux Linux kernel=2.6.20.9
Linux Linux kernel=2.6.11
Linux Linux kernel=2.6.23.4
Linux Linux kernel=2.6.22.15
Linux Linux kernel=2.6.16.16
Linux Linux kernel=2.6.18.7
Linux Linux kernel=2.6.17.12
Linux Linux kernel=2.6.16.39
Linux Linux kernel=2.6.27.3
Linux Linux kernel=2.6.29.3
Linux Linux kernel=2.6.21
Linux Linux kernel=2.6.16.9
Linux Linux kernel=2.6.17.9
Linux Linux kernel=2.6.11.2
Linux Linux kernel=2.6.27.1
Linux Linux kernel=2.6.5
Linux Linux kernel=2.6.15.3
Linux Linux kernel=2.6.27.30
Linux Linux kernel=2.6.11.10
Linux Linux kernel=2.6.24.7
Linux Linux kernel=2.6.1
Linux Linux kernel=2.6.16.43
Linux Linux kernel=2.6.16.6
Linux Linux kernel=2.6.16.8
Linux Linux kernel=2.6.20.13
Linux Linux kernel=2.6.22.4
Linux Linux kernel=2.6.14.7
Linux Linux kernel=2.6.27.18
Linux Linux kernel=2.6.13
Linux Linux kernel=2.6.17.2
Linux Linux kernel=2.6.13.3
Linux Linux kernel=2.6.23.13
Linux Linux kernel=2.6.11.8
Linux Linux kernel=2.6.24.2
Linux Linux kernel=2.6.26.5
Linux Linux kernel=2.6.16.34
Linux Linux kernel=2.6.25.20
Linux Linux kernel=2.6.27.21
Linux Linux kernel=2.6.23.7
Linux Linux kernel=2.6.17.8
Linux Linux kernel=2.6.14.4
Linux Linux kernel=2.6.14
Linux Linux kernel=2.6.25.5
Linux Linux kernel=2.6.17.4
Linux Linux kernel=2.6.16.18
Linux Linux kernel=2.6.27.27
Linux Linux kernel=2.6.17.14
Linux Linux kernel=2.6.10
Linux Linux kernel=2.6.23.8
Linux Linux kernel=2.6.16.45
Linux Linux kernel=2.6.22.12
Linux Linux kernel=2.6.25.18
Linux Linux kernel=2.6.14.3
Linux Linux kernel=2.6.29
Linux Linux kernel=2.6.18.3
Linux Linux kernel=2.6.16.37
Linux Linux kernel=2.6.11.6
Linux Linux kernel=2.6.16.48
Linux Linux kernel=2.6.11.11
Linux Linux kernel=2.6.16.13
Linux Linux kernel=2.6.27.10
Linux Linux kernel=2.6.3
Linux Linux kernel=2.6.21.6
Linux Linux kernel=2.6.26.6
Linux Linux kernel=2.6.22.1
Linux Linux kernel=2.6.27.17
Linux Linux kernel=2.6.16.4
Linux Linux kernel=2.6.23.16
Linux Linux kernel=2.6.17.3
Linux Linux kernel=2.6.24.1
Linux Linux kernel=2.6.20.5
Linux Linux kernel=2.6.22
Linux Linux kernel=2.6.28.4
Linux Linux kernel=2.6.4
Linux Linux kernel=2.6.27.16
Linux Linux kernel=2.6.26
Linux Linux kernel=2.6.16.15
Linux Linux kernel=2.6.27.20
Linux Linux kernel=2.6.15.6
Linux Linux kernel=2.6.26.3
Linux Linux kernel=2.6.20.16
Linux Linux kernel=2.6.15.1
Linux Linux kernel=2.6.11.5
Linux Linux kernel=2.6.28.2
Linux Linux kernel=2.6.25.9
Linux Linux kernel=2.6.19.3
Linux Linux kernel=2.6.27.4
Linux Linux kernel=2.6.27
Linux Linux kernel=2.6.19.4
Linux Linux kernel=2.6.25.13
Linux Linux kernel=2.6.28.5
Linux Linux kernel=2.6.19.1
Linux Linux kernel=2.6.18.4
Linux Linux kernel=2.6.16.1
Linux Linux kernel=2.6.18.1
Linux Linux kernel=2.6.20.21
Linux Linux kernel=2.6.31-rc1
Linux Linux kernel=2.6.27.13
Linux Linux kernel=2.6.23.1
Linux Linux kernel=2.6.2
Linux Linux kernel=2.6.14.5
Linux Linux kernel=2.6.13.2
Linux Linux kernel=2.6.17.5
Linux Linux kernel=2.6.18.5
Linux Linux kernel=2.6.21.1
Linux Linux kernel=2.6.16.32
Linux Linux kernel=2.6.13.5
Linux Linux kernel=2.6.16.57
Linux Linux kernel=2.6.16.49
Linux Linux kernel=2.6.25.3
Linux Linux kernel=2.6.17
Linux Linux kernel=2.6.24
Linux Linux kernel=2.6.19.2
Linux Linux kernel=2.6.26.2
Linux Linux kernel=2.6.21.4
Linux Linux kernel=2.6.16.11
Linux Linux kernel=2.6.20.17
Linux Linux kernel=2.6.16.14
Linux Linux kernel=2.6.20.12
Linux Linux kernel=2.6.16.25
Linux Linux kernel=2.6.27.15
Linux Linux kernel=2.6.16.21
Linux Linux kernel=2.6.16.33
Linux Linux kernel=2.6.8
Linux Linux kernel=2.6.16.28
Linux Linux kernel=2.6.17.10
Linux Linux kernel=2.6.21.5
Linux Linux kernel=2.6.25.15
Linux Linux kernel=2.6.14.1
Linux Linux kernel=2.6.23.15
Linux Linux kernel=2.6.16.23
Linux Linux kernel=2.6.29.4
Linux Linux kernel=2.6.12.5
Linux Linux kernel=2.6.15.7
Linux Linux kernel=2.6.20
Linux Linux kernel=2.6.23.10
Linux Linux kernel=2.6.22.7
Linux Linux kernel=2.6.27.26
Linux Linux kernel=2.6.16.3
Linux Linux kernel=2.6.27.8
Linux Linux kernel=2.6.26.1
Linux Linux kernel=2.6.25.19
Linux Linux kernel=2.6.20.20
Linux Linux kernel=2.6.16.36
Linux Linux kernel=2.6.14.6
Linux Linux kernel=2.6.12.1
Linux Linux kernel=2.6.27.9
Linux Linux kernel=2.6.11.9
Linux Linux kernel=2.6.16.46
Linux Linux kernel=2.6.17.1
Linux Linux kernel=2.6.20.8
Linux Linux kernel=2.6.27.25
Linux Linux kernel=2.6.20.15
Linux Linux kernel=2.6.22.18
Linux Linux kernel=2.6.0
Linux Linux kernel=2.6.25.8
Linux Linux kernel=2.6.16.54
Linux Linux kernel=2.6.13.4
Linux Linux kernel=2.6.20.18
Linux Linux kernel=2.6.23.9
Linux Linux kernel<=2.6.31
Linux Linux kernel=2.6.22.6
Linux Linux kernel=2.6.23.3
Linux Linux kernel=2.6.18.8
Linux Linux kernel=2.6.22.3
Linux Linux kernel=2.6.12.2
Linux Linux kernel=2.6.16.31
Linux Linux kernel=2.6.16.26
Linux Linux kernel=2.6.16.62
Linux Linux kernel=2.6.18.2
Linux Linux kernel=2.6.28.8
Linux Linux kernel=2.6.16.29
Linux Linux kernel=2.6.29.1
Linux Linux kernel=2.6.24.4
Linux Linux kernel=2.6.27.19
Linux Linux kernel=2.6.25.16
Linux Linux kernel=2.6.22.9
Linux Linux kernel=2.6.25.17
Linux Linux kernel=2.6.20.11
Linux Linux kernel=2.6.19
Linux Linux kernel=2.6.20.3
Linux Linux kernel=2.6.16
Linux Linux kernel=2.6.30.4
Linux Linux kernel=2.6.28.3
Linux Linux kernel=2.6.22.13
Linux Linux kernel=2.6.19.7
Linux Linux kernel=2.6.21.3
Linux Linux kernel=2.6.27.28
Linux Linux kernel=2.6.24.5
Linux Linux kernel=2.6.16.51
Linux Linux kernel=2.6.15.2
Linux Linux kernel=2.6.20.19
Linux Linux kernel=2.6.16.22
Linux Linux kernel=2.6.22.17
Linux Linux kernel=2.6.16.58
Linux Linux kernel=2.6.16.40
Linux Linux kernel=2.6.16.47
Linux Linux kernel=2.6.16.42
Linux Linux kernel=2.6.27.22
Linux Linux kernel=2.6.23.14
Linux Linux kernel=2.6.17.11
Linux Linux kernel=2.6.16.10
Linux Linux kernel=2.6.12.4
Linux Linux kernel=2.6.16.41
Linux Linux kernel=2.6.16.52
Linux Linux kernel=2.6.11.3
Linux Linux kernel=2.6.20.10
Linux Linux kernel=2.6.16.24
Linux Linux kernel=2.6.25.10
Linux Linux kernel=2.6.22.11
Linux Linux kernel=2.6.16.55
Linux Linux kernel=2.6.23
Linux Linux kernel=2.6.12.3
Linux Linux kernel=2.6.22.10
Linux Linux kernel=2.6.29.6
Linux Linux kernel=2.6.23.17
Linux Linux kernel=2.6.27.5
Linux Linux kernel=2.6.23.2
Linux Linux kernel=2.6.25.1
Linux Linux kernel=2.6.25.4
Linux Linux kernel=2.6.28.9
Linux Linux kernel=2.6.30.2
Linux Linux kernel=2.6.7
Linux Linux kernel=2.6.21.7
Linux Linux kernel=2.6.16.30
Linux Linux kernel=2.6.21.2
Linux Linux kernel=2.6.15.4
Linux Linux kernel=2.6.27.7
Linux Linux kernel=2.6.16.59
Linux Linux kernel=2.6.30.1
Linux Linux kernel=2.6.16.38
Linux Linux kernel=2.6.16.17
Linux Linux kernel=2.6.26.8
Linux Linux kernel=2.6.20.2
Linux Linux kernel=2.6.28.6
Linux Linux kernel=2.6.16.12
Linux Linux kernel=2.6.16.27
Linux Linux kernel=2.6.16.53
Linux Linux kernel=2.6.28.7
Linux Linux kernel=2.6.12.6
Linux Linux kernel=2.6.17.7
Linux Linux kernel=2.6.20.1
Linux Linux kernel=2.6.11.7
Linux Linux kernel=2.6.16.2
Linux Linux kernel=2.6.24.6
Linux Linux kernel=2.6.18.6
Linux Linux kernel=2.6.15
Linux Linux kernel=2.6.16.44
Linux Linux kernel=2.6.23.12
Linux Linux kernel=2.6.16.35
Linux Linux kernel=2.6.19.6
Linux Linux kernel=2.6.16.50
Linux Linux kernel=2.6.25.11
Linux Linux kernel=2.6.27.31
Linux Linux kernel=2.6.29.2
Linux Linux kernel=2.6.23.5
Linux Linux kernel=2.6.22.8
Linux Linux kernel=2.6.14.2
Linux Linux kernel=2.6.16.61
Linux Linux kernel=2.6.31-rc2
Linux Linux kernel=2.6.19.5
Linux Linux kernel=2.6.18
Linux Linux kernel=2.6.27.24
Linux Linux kernel=2.6.20.4
Linux Linux kernel=2.6.17.6
Linux Linux kernel=2.6.23.6
Linux Linux kernel=2.6.27.2
Linux Linux kernel=2.6.16.7
Linux Linux kernel=2.6.17.13
Linux Linux kernel=2.6.16.60
Linux Linux kernel=2.6.22.2
Linux Linux kernel=2.6.8.1
Linux Linux kernel=2.6.27.11
Linux Linux kernel=2.6.16.56
Linux Linux kernel=2.6.22.19
Linux Linux kernel=2.6.24.3
Linux Linux kernel=2.6.25
Linux Linux kernel=2.6.20.14
Linux Linux kernel=2.6.25.2
Linux Linux kernel=2.6.22.5
Linux Linux kernel=2.6.25.7
Linux Linux kernel=2.6.30.5
Linux Linux kernel=2.6.25.14
Linux Linux kernel=2.6.20.7
Linux Linux kernel=2.6.28.1
Linux Linux kernel=2.6.16.5
Linux Linux kernel=2.6.30
Linux Linux kernel=2.6.11.4
Linux Linux kernel=2.6.26.4
Linux Linux kernel=2.6.25.12
Linux Linux kernel=2.6.16.19
Linux Linux kernel=2.6.27.6
Linux Linux kernel=2.6.26.7
Linux Linux kernel=2.6.25.6
Linux Linux kernel=2.6.11.12
Linux Linux kernel=2.6.16.20
Linux Linux kernel=2.6.15.5
Linux Linux kernel=2.6.28.10
Linux Linux kernel=2.6.22.16
Linux Linux kernel=2.6.11.1
Linux Linux kernel=2.6.30.3
Linux Linux kernel=2.6.9
Linux Linux kernel=2.6.27.23
Linux Linux kernel=2.6.13.1
Linux Linux kernel=2.6.23.11
Linux Linux kernel=2.6.27.14
Linux Linux kernel=2.6.28
Linux Linux kernel=2.6.29.5
Linux Linux kernel=2.6.22.14
Linux Linux kernel=2.6.6
Linux Linux kernel=2.6.12

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