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CVE-2022-48743— net: amd-xgbe: Fix skb data length underflow

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 net:amd-xgbe 模块 skb 存在溢出问题。

CVSS 8.1 · High EPSS 0.65% · P50

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 23

VendorProduct Version RangeStatus
Linux Linux fafc9555d87a19c78bcd43ed731c3a73bf0b37a9< 9924c80bd484340191e586110ca22bff23a49f2e affected
622c36f143fc9566ba49d7cec994c2da1182d9e2< 617f9934bb37993b9813832516f318ba874bcb7d affected
622c36f143fc9566ba49d7cec994c2da1182d9e2< 34aeb4da20f93ac80a6291a2dbe7b9c6460e9b26 affected
622c36f143fc9566ba49d7cec994c2da1182d9e2< 9892742f035f7aa7dcd2bb0750effa486db89576 affected
622c36f143fc9566ba49d7cec994c2da1182d9e2< 4d3fcfe8464838b3920bc2b939d888e0b792934e affected
622c36f143fc9566ba49d7cec994c2da1182d9e2< db6fd92316a254be2097556f01bccecf560e53ce affected
622c36f143fc9566ba49d7cec994c2da1182d9e2< e8f73f620fee5f52653ed2da360121e4446575c5 affected
622c36f143fc9566ba49d7cec994c2da1182d9e2< 5aac9108a180fc06e28d4e7fb00247ce603b72ee affected
… +15 more rows
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I. Basic Information for CVE-2022-48743

Vulnerability Information
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Vulnerability Title
net: amd-xgbe: Fix skb data length underflow
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: amd-xgbe: Fix skb data length underflow There will be BUG_ON() triggered in include/linux/skbuff.h leading to intermittent kernel panic, when the skb length underflow is detected. Fix this by dropping the packet if such length underflows are seen because of inconsistencies in the hardware descriptors.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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 net:amd-xgbe 模块 skb 存在溢出问题。
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 fafc9555d87a19c78bcd43ed731c3a73bf0b37a9 ~ 9924c80bd484340191e586110ca22bff23a49f2e -
Linux Linux 4.11 -

II. Public POCs for CVE-2022-48743

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III. Intelligence Information for CVE-2022-48743

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Other References for CVE-2022-48743 (8)

Same Patch Batch · Linux · 2024-06-20 · 67 CVEs total

CVE-2022-48711 9.8 CRITICAL tipc: improve size validations for received domain records
CVE-2024-38620 8.8 HIGH Bluetooth: HCI: Remove HCI_AMP support
CVE-2021-47620 8.1 HIGH Bluetooth: refactor malicious adv data check
CVE-2022-48742 7.8 HIGH rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()
CVE-2022-48771 7.8 HIGH drm/vmwgfx: Fix stale file descriptors on failed usercopy
CVE-2022-48759 7.8 HIGH rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev
CVE-2022-48751 7.8 HIGH net/smc: Transitional solution for clcsock race issue
CVE-2022-48729 7.8 HIGH IB/hfi1: Fix panic with larger ipoib send_queue_size
CVE-2022-48716 7.8 HIGH ASoC: codecs: wcd938x: fix incorrect used of portid
CVE-2022-48726 7.8 HIGH RDMA/ucma: Protect mc during concurrent multicast leaves
CVE-2022-48733 7.8 HIGH btrfs: fix use-after-free after failure to create a snapshot
CVE-2022-48754 7.8 HIGH phylib: fix potential use-after-free
CVE-2022-48720 7.8 HIGH net: macsec: Fix offload support for NETDEV_UNREGISTER event
CVE-2022-48721 7.8 HIGH net/smc: Forward wakeup to smc socket waitqueue after fallback
CVE-2022-48762 7.8 HIGH arm64: extable: fix load_unaligned_zeropad() reg indices
CVE-2022-48735 7.8 HIGH ALSA: hda: Fix UAF of leds class devs at unbinding
CVE-2022-48744 7.5 HIGH net/mlx5e: Avoid field-overflowing memcpy()
CVE-2022-48727 7.3 HIGH KVM: arm64: Avoid consuming a stale esr value when SError occur
CVE-2022-48717 7.1 HIGH ASoC: max9759: fix underflow in speaker_gain_control_put()
CVE-2022-48739 7.1 HIGH ASoC: hdmi-codec: Fix OOB memory accesses

Showing top 20 of 67 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-48743

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