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CVE-2022-48823— scsi: qedf: Fix refcount issue when LOGO is received during TMF

EPSS 0.03% · P8
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I. Basic Information for CVE-2022-48823

Vulnerability Information
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Vulnerability Title
scsi: qedf: Fix refcount issue when LOGO is received during TMF
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Fix refcount issue when LOGO is received during TMF Hung task call trace was seen during LOGO processing. [ 974.309060] [0000:00:00.0]:[qedf_eh_device_reset:868]: 1:0:2:0: LUN RESET Issued... [ 974.309065] [0000:00:00.0]:[qedf_initiate_tmf:2422]: tm_flags 0x10 sc_cmd 00000000c16b930f op = 0x2a target_id = 0x2 lun=0 [ 974.309178] [0000:00:00.0]:[qedf_initiate_tmf:2431]: portid=016900 tm_flags =LUN RESET [ 974.309222] [0000:00:00.0]:[qedf_initiate_tmf:2438]: orig io_req = 00000000ec78df8f xid = 0x180 ref_cnt = 1. [ 974.309625] host1: rport 016900: Received LOGO request while in state Ready [ 974.309627] host1: rport 016900: Delete port [ 974.309642] host1: rport 016900: work event 3 [ 974.309644] host1: rport 016900: lld callback ev 3 [ 974.313243] [0000:61:00.2]:[qedf_execute_tmf:2383]:1: fcport is uploading, not executing flush. [ 974.313295] [0000:61:00.2]:[qedf_execute_tmf:2400]:1: task mgmt command success... [ 984.031088] INFO: task jbd2/dm-15-8:7645 blocked for more than 120 seconds. [ 984.031136] Not tainted 4.18.0-305.el8.x86_64 #1 [ 984.031166] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.031209] jbd2/dm-15-8 D 0 7645 2 0x80004080 [ 984.031212] Call Trace: [ 984.031222] __schedule+0x2c4/0x700 [ 984.031230] ? unfreeze_partials.isra.83+0x16e/0x1a0 [ 984.031233] ? bit_wait_timeout+0x90/0x90 [ 984.031235] schedule+0x38/0xa0 [ 984.031238] io_schedule+0x12/0x40 [ 984.031240] bit_wait_io+0xd/0x50 [ 984.031243] __wait_on_bit+0x6c/0x80 [ 984.031248] ? free_buffer_head+0x21/0x50 [ 984.031251] out_of_line_wait_on_bit+0x91/0xb0 [ 984.031257] ? init_wait_var_entry+0x50/0x50 [ 984.031268] jbd2_journal_commit_transaction+0x112e/0x19f0 [jbd2] [ 984.031280] kjournald2+0xbd/0x270 [jbd2] [ 984.031284] ? finish_wait+0x80/0x80 [ 984.031291] ? commit_timeout+0x10/0x10 [jbd2] [ 984.031294] kthread+0x116/0x130 [ 984.031300] ? kthread_flush_work_fn+0x10/0x10 [ 984.031305] ret_from_fork+0x1f/0x40 There was a ref count issue when LOGO is received during TMF. This leads to one of the I/Os hanging with the driver. Fix the ref count.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于scsi:qedf模块中发现引用计数问题。在处理LOGO期间，可能会导致I/O挂起。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 61d8658b4a435eac729966cc94cdda077a8df5cd ~ 7cc32ff0cd6c44a3c26de5faecfe8b5546198fad -
LinuxLinux 4.11 -

II. Public POCs for CVE-2022-48823

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III. Intelligence Information for CVE-2022-48823

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Same Patch Batch · Linux · 2024-07-16 · 98 CVEs total

CVE-2022-48832audit: don't deref the syscall args when checking the openat2 open_how::flags
CVE-2022-48826drm/vc4: Fix deadlock on DSI device attach error
CVE-2022-48821misc: fastrpc: avoid double fput() on failed usercopy
CVE-2022-48819tcp: take care of mixed splice()/sendmsg(MSG_ZEROCOPY) case
CVE-2022-48820phy: stm32: fix a refcount leak in stm32_usbphyc_pll_enable()
CVE-2022-48818net: dsa: mv88e6xxx: don't use devres for mdiobus
CVE-2022-48817net: dsa: ar9331: register the mdiobus under devres
CVE-2022-48822usb: f_fs: Fix use-after-free for epfile
CVE-2022-48830can: isotp: fix potential CAN frame reception race in isotp_rcv()
CVE-2022-48831ima: fix reference leak in asymmetric_verify()
CVE-2022-48828NFSD: Fix ia_size underflow
CVE-2022-48834usb: usbtmc: Fix bug in pipe direction for control transfers
CVE-2022-48833btrfs: skip reserved bytes warning on unmount after log cleanup failure
CVE-2022-48835scsi: mpt3sas: Page fault in reply q processing
CVE-2022-48837usb: gadget: rndis: prevent integer overflow in rndis_set_response()
CVE-2022-48836Input: aiptek - properly check endpoint type
CVE-2022-48838usb: gadget: Fix use-after-free bug by not setting udc->dev.driver
CVE-2022-48839net/packet: fix slab-out-of-bounds access in packet_recvmsg()
CVE-2022-48840iavf: Fix hang during reboot/shutdown
CVE-2022-48842ice: Fix race condition during interface enslave

Showing top 20 of 98 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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