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CVE-2024-27395— net: openvswitch: Fix Use-After-Free in ovs_ct_exit

EPSS 0.01% · P3
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I. Basic Information for CVE-2024-27395

Vulnerability Information
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Vulnerability Title
net: openvswitch: Fix Use-After-Free in ovs_ct_exit
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Fix Use-After-Free in ovs_ct_exit Since kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal of ovs_ct_limit_exit, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.
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，该漏洞源于存在释放后重用问题。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 11efd5cb04a184eea4f57b68ea63dddd463158d1 ~ 2db9a8c0a01fa1c762c1e61a13c212c492752994 -
LinuxLinux 4.18 -

II. Public POCs for CVE-2024-27395

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III. Intelligence Information for CVE-2024-27395

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Same Patch Batch · Linux · 2024-05-09 · 6 CVEs total

CVE-2023-52654io_uring/af_unix: disable sending io_uring over sockets
CVE-2024-27393xen-netfront: Add missing skb_mark_for_recycle
CVE-2024-27394tcp: Fix Use-After-Free in tcp_ao_connect_init
CVE-2024-27396net: gtp: Fix Use-After-Free in gtp_dellink
CVE-2024-27397netfilter: nf_tables: use timestamp to check for set element timeout

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-27395

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