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CVE-2022-48671— cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all()

EPSS 0.01% · P1
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I. Basic Information for CVE-2022-48671

Vulnerability Information
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Vulnerability Title
cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all() syzbot is hitting percpu_rwsem_assert_held(&cpu_hotplug_lock) warning at cpuset_attach() [1], for commit 4f7e7236435ca0ab ("cgroup: Fix threadgroup_rwsem <-> cpus_read_lock() deadlock") missed that cpuset_attach() is also called from cgroup_attach_task_all(). Add cpus_read_lock() like what cgroup_procs_write_start() does.
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，该漏洞源于缺少cpus_read_lock函数。
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 e446300968c6bd25d9cd6c33b9600780a39b3975 ~ 321488cfac7d0eb6d97de467015ff754f85813ff -
LinuxLinux 5.4.213 ~ 5.4.215 -

II. Public POCs for CVE-2022-48671

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III. Intelligence Information for CVE-2022-48671

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

CVE-2022-48694RDMA/irdma: Fix drain SQ hang with no completion
CVE-2022-48705wifi: mt76: mt7921e: fix crash in chip reset fail
CVE-2022-48704drm/radeon: add a force flush to delay work when radeon
CVE-2022-48695scsi: mpt3sas: Fix use-after-free warning
CVE-2022-48690ice: Fix DMA mappings leak
CVE-2022-48703thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR
CVE-2022-48702ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc()
CVE-2022-48701ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface()
CVE-2022-48699sched/debug: fix dentry leak in update_sched_domain_debugfs
CVE-2022-48698drm/amd/display: fix memory leak when using debugfs_lookup()
CVE-2022-48697nvmet: fix a use-after-free
CVE-2022-48696regmap: spi: Reserve space for register address/padding
CVE-2022-48670peci: cpu: Fix use-after-free in adev_release()
CVE-2022-48693soc: brcmstb: pm-arm: Fix refcount leak and __iomem leak bugs
CVE-2022-48692RDMA/srp: Set scmnd->result only when scmnd is not NULL
CVE-2022-48691netfilter: nf_tables: clean up hook list when offload flags check fails
CVE-2022-48689tcp: TX zerocopy should not sense pfmemalloc status
CVE-2022-48688i40e: Fix kernel crash during module removal
CVE-2022-48687ipv6: sr: fix out-of-bounds read when setting HMAC data.
CVE-2022-48686nvme-tcp: fix UAF when detecting digest errors

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

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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