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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2022-50365 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: skbuff: Account for tail adjustment during pull operations Extending the tail can have some unexpected side effects if a program uses a helper like BPF_FUNC_skb_pull_data to read partial content beyond the head skb headlen when all the skbs in the gso frag_list are linear with no head_frag - kernel BUG at net/core/skbuff.c:4219! pc : skb_segment+0xcf4/0xd2c lr : skb_segment+0x63c/0xd2c Call trace: skb_segment+0xcf4/0xd2c __udp_gso_segment+0xa4/0x544 udp4_ufo_fragment+0x184/0x1c0 inet_gso_segment+0x16c/0x3a4 skb_mac_gso_segment+0xd4/0x1b0 __skb_gso_segment+0xcc/0x12c udp_rcv_segment+0x54/0x16c udp_queue_rcv_skb+0x78/0x144 udp_unicast_rcv_skb+0x8c/0xa4 __udp4_lib_rcv+0x490/0x68c udp_rcv+0x20/0x30 ip_protocol_deliver_rcu+0x1b0/0x33c ip_local_deliver+0xd8/0x1f0 ip_rcv+0x98/0x1a4 deliver_ptype_list_skb+0x98/0x1ec __netif_receive_skb_core+0x978/0xc60 Fix this by marking these skbs as GSO_DODGY so segmentation can handle the tail updates accordingly.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/2d59f0ca153e9573ec4f140988c0ccca0eb4181b kernel.org
https://git.kernel.org/stable/c/2d7afdcbc9d32423f177ee12b7c93783aea338fb kernel.org
https://git.kernel.org/stable/c/331615d837f4979eb91a336a223a5c7f7886ecd5 kernel.org
https://git.kernel.org/stable/c/668dc454bcbd1da73605201ff43f988c70848215 kernel.org
https://git.kernel.org/stable/c/6ac417d71b80e74b002313fcd73f7e9008e8e457 kernel.org
https://git.kernel.org/stable/c/821be5a5ab09a40ba09cb5ba354f18cf7996fea0 kernel.org
https://git.kernel.org/stable/c/8fb773eed4909ef5dc1bbeb3629a337d3336df7e kernel.org
https://git.kernel.org/stable/c/946dd5dc4fcc4123cdfe3942b20012c4448cf89a kernel.org
https://git.kernel.org/stable/c/ff3743d00f41d803e6ab9334962b674f3b7fd0cb kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-50365
NVD Published Date:
09/17/2025
NVD Last Modified:
09/18/2025
Source:
kernel.org