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CVE-2021-47138— cxgb4: avoid accessing registers when clearing filters

EPSS 0.02% · P4

Affected Version Matrix 10

VendorProductVersion RangeStatus
LinuxLinuxb1a79360ee862f8ada4798ad2346fa45bb41b527< 0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdfaffected
b1a79360ee862f8ada4798ad2346fa45bb41b527< 02f03883fdb10ad7e66717c70ea163a8d27ae6e7affected
b1a79360ee862f8ada4798ad2346fa45bb41b527< 285207a558ab456aa7d8aa877ecc7e91fcc51710affected
b1a79360ee862f8ada4798ad2346fa45bb41b527< 88c380df84fbd03f9b137c2b9d0a44b9f2f553b0affected
5.2affected
< 5.2unaffected
5.4.124≤ 5.4.*unaffected
5.10.42≤ 5.10.*unaffected
… +2 more rows
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I. Basic Information for CVE-2021-47138

Vulnerability Information
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Vulnerability Title
cxgb4: avoid accessing registers when clearing filters
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: cxgb4: avoid accessing registers when clearing filters Hardware register having the server TID base can contain invalid values when adapter is in bad state (for example, due to AER fatal error). Reading these invalid values in the register can lead to out-of-bound memory access. So, fix by using the saved server TID base when clearing filters.
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，该漏洞源于读取寄存器中的无效值可能会导致内存越界访问。
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 b1a79360ee862f8ada4798ad2346fa45bb41b527 ~ 0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdf -
LinuxLinux 5.2 -

II. Public POCs for CVE-2021-47138

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III. Intelligence Information for CVE-2021-47138

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Same Patch Batch · Linux · 2024-03-25 · 40 CVEs total

CVE-2021-47171net: usb: fix memory leak in smsc75xx_bind
CVE-2021-47162tipc: skb_linearize the head skb when reassembling msgs
CVE-2021-47163tipc: wait and exit until all work queues are done
CVE-2021-47164net/mlx5e: Fix null deref accessing lag dev
CVE-2021-47165drm/meson: fix shutdown crash when component not probed
CVE-2021-47166NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
CVE-2021-47167NFS: Fix an Oopsable condition in __nfs_pageio_add_request()
CVE-2021-47168NFS: fix an incorrect limit in filelayout_decode_layout()
CVE-2021-47169serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait'
CVE-2021-47170USB: usbfs: Don't WARN about excessively large memory allocations
CVE-2021-47161spi: spi-fsl-dspi: Fix a resource leak in an error handling path
CVE-2021-47172iio: adc: ad7124: Fix potential overflow due to non sequential channel numbers
CVE-2021-47173misc/uss720: fix memory leak in uss720_probe
CVE-2021-47174netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version
CVE-2021-47175net/sched: fq_pie: fix OOB access in the traffic path
CVE-2021-47176s390/dasd: add missing discipline function
CVE-2021-47177iommu/vt-d: Fix sysfs leak in alloc_iommu()
CVE-2021-47178scsi: target: core: Avoid smp_processor_id() in preemptible code
CVE-2021-47179NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()
CVE-2021-47180NFC: nci: fix memory leak in nci_allocate_device

Showing top 20 of 40 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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