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CVE-2022-48694— RDMA/irdma: Fix drain SQ hang with no completion

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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SQ挂起操作存在安全漏洞。

CVSS 7.5 · High EPSS 0.61% · P48

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 7

VendorProduct Version RangeStatus
Linux Linux bd2af69575f518a34a941b6b46882c7e2f43e8a2< 14d148401c5202fec3a071e24785481d540b22c3 affected
81091d7696ae71627ff80bbf2c6b0986d2c1cce3< 5becc531a3fa8da75158a8993f56cc3e0717716e affected
81091d7696ae71627ff80bbf2c6b0986d2c1cce3< ead54ced6321099978d30d62dc49c282a6e70574 affected
5.19 affected
< 5.19 unaffected
5.19.9≤ 5.19.* unaffected
6.0≤ * unaffected
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I. Basic Information for CVE-2022-48694

Vulnerability Information
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Vulnerability Title
RDMA/irdma: Fix drain SQ hang with no completion
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix drain SQ hang with no completion SW generated completions for outstanding WRs posted on SQ after QP is in error target the wrong CQ. This causes the ib_drain_sq to hang with no completion. Fix this to generate completions on the right CQ. [ 863.969340] INFO: task kworker/u52:2:671 blocked for more than 122 seconds. [ 863.979224] Not tainted 5.14.0-130.el9.x86_64 #1 [ 863.986588] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 863.996997] task:kworker/u52:2 state:D stack: 0 pid: 671 ppid: 2 flags:0x00004000 [ 864.007272] Workqueue: xprtiod xprt_autoclose [sunrpc] [ 864.014056] Call Trace: [ 864.017575] __schedule+0x206/0x580 [ 864.022296] schedule+0x43/0xa0 [ 864.026736] schedule_timeout+0x115/0x150 [ 864.032185] __wait_for_common+0x93/0x1d0 [ 864.037717] ? usleep_range_state+0x90/0x90 [ 864.043368] __ib_drain_sq+0xf6/0x170 [ib_core] [ 864.049371] ? __rdma_block_iter_next+0x80/0x80 [ib_core] [ 864.056240] ib_drain_sq+0x66/0x70 [ib_core] [ 864.062003] rpcrdma_xprt_disconnect+0x82/0x3b0 [rpcrdma] [ 864.069365] ? xprt_prepare_transmit+0x5d/0xc0 [sunrpc] [ 864.076386] xprt_rdma_close+0xe/0x30 [rpcrdma] [ 864.082593] xprt_autoclose+0x52/0x100 [sunrpc] [ 864.088718] process_one_work+0x1e8/0x3c0 [ 864.094170] worker_thread+0x50/0x3b0 [ 864.099109] ? rescuer_thread+0x370/0x370 [ 864.104473] kthread+0x149/0x170 [ 864.109022] ? set_kthread_struct+0x40/0x40 [ 864.114713] ret_from_fork+0x22/0x30
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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SQ挂起操作存在安全漏洞。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux bd2af69575f518a34a941b6b46882c7e2f43e8a2 ~ 14d148401c5202fec3a071e24785481d540b22c3 -
Linux Linux 5.19 -

II. Public POCs for CVE-2022-48694

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III. Intelligence Information for CVE-2022-48694

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Other References for CVE-2022-48694 (3)

Same Patch Batch · Linux · 2024-05-03 · 25 CVEs total

CVE-2022-48673 9.8 CRITICAL net/smc: Fix possible access to freed memory in link clear
CVE-2022-48686 9.8 CRITICAL nvme-tcp: fix UAF when detecting digest errors
CVE-2022-48697 9.8 CRITICAL nvmet: fix a use-after-free
CVE-2022-48674 7.8 HIGH erofs: fix pcluster use-after-free on UP platforms
CVE-2022-48695 7.8 HIGH scsi: mpt3sas: Fix use-after-free warning
CVE-2022-48702 7.8 HIGH ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc()
CVE-2022-48692 7.5 HIGH RDMA/srp: Set scmnd->result only when scmnd is not NULL
CVE-2022-48696 7.1 HIGH regmap: spi: Reserve space for register address/padding
CVE-2022-48693 soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs
CVE-2022-48705 wifi: mt76: mt7921e: fix crash in chip reset fail
CVE-2022-48704 drm/radeon: add a force flush to delay work when radeon
CVE-2022-48690 ice: Fix DMA mappings leak
CVE-2022-48703 thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR
CVE-2022-48701 ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface()
CVE-2022-48699 sched/debug: fix dentry leak in update_sched_domain_debugfs
CVE-2022-48698 drm/amd/display: fix memory leak when using debugfs_lookup()
CVE-2022-48670 peci: cpu: Fix use-after-free in adev_release()
CVE-2022-48691 netfilter: nf_tables: clean up hook list when offload flags check fails
CVE-2022-48689 tcp: TX zerocopy should not sense pfmemalloc status
CVE-2022-48688 i40e: Fix kernel crash during module removal

Showing top 20 of 25 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-48694

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