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CVE-2024-35898— netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()

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__nft_flowtable_type_get函数中存在潜在的数据争用。

CVSS 7.0 · High EPSS 0.20% · P10

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 3b49e2e94e6ebb8b23d0955d9e898254455734f8< 69d1fe14a680042ec913f22196b58e2c8ff1b007 affected
3b49e2e94e6ebb8b23d0955d9e898254455734f8< a347bc8e6251eaee4b619da28020641eb5b0dd77 affected
3b49e2e94e6ebb8b23d0955d9e898254455734f8< 940d41caa71f0d3a52df2fde5fada524a993e331 affected
3b49e2e94e6ebb8b23d0955d9e898254455734f8< 2485bcfe05ee3cf9ca8923a94fa2e456924c79c8 affected
3b49e2e94e6ebb8b23d0955d9e898254455734f8< 9b5b7708ec2be21dd7ef8ca0e3abe4ae9f3b083b affected
3b49e2e94e6ebb8b23d0955d9e898254455734f8< 8b891153b2e4dc0ca9d9dab8f619d49c740813df affected
3b49e2e94e6ebb8b23d0955d9e898254455734f8< e684b1674fd1ca4361812a491242ae871d6b2859 affected
3b49e2e94e6ebb8b23d0955d9e898254455734f8< 24225011d81b471acc0e1e315b7d9905459a6304 affected
… +10 more rows
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I. Basic Information for CVE-2024-35898

Vulnerability Information
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Vulnerability Title
netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable(). And thhere is not any protection when iterate over nf_tables_flowtables list in __nft_flowtable_type_get(). Therefore, there is pertential data-race of nf_tables_flowtables list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_flowtables list in __nft_flowtable_type_get(), and use rcu_read_lock() in the caller nft_flowtable_type_get() to protect the entire type query process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/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__nft_flowtable_type_get函数中存在潜在的数据争用。
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 3b49e2e94e6ebb8b23d0955d9e898254455734f8 ~ 69d1fe14a680042ec913f22196b58e2c8ff1b007 -
Linux Linux 4.16 -

II. Public POCs for CVE-2024-35898

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III. Intelligence Information for CVE-2024-35898

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Mailing List Discussions for CVE-2024-35898 (2)

Other References for CVE-2024-35898 (6)

Same Patch Batch · Linux · 2024-05-19 · 82 CVEs total

CVE-2024-35861 9.8 CRITICAL smb: client: fix potential UAF in cifs_signal_cifsd_for_reconnect()
CVE-2024-35862 9.8 CRITICAL smb: client: fix potential UAF in smb2_is_network_name_deleted()
CVE-2024-35863 9.8 CRITICAL smb: client: fix potential UAF in is_valid_oplock_break()
CVE-2024-35864 9.8 CRITICAL smb: client: fix potential UAF in smb2_is_valid_lease_break()
CVE-2024-35865 9.8 CRITICAL smb: client: fix potential UAF in smb2_is_valid_oplock_break()
CVE-2024-35884 9.8 CRITICAL udp: do not accept non-tunnel GSO skbs landing in a tunnel
CVE-2024-35870 9.8 CRITICAL smb: client: fix UAF in smb2_reconnect_server()
CVE-2024-35869 9.8 CRITICAL smb: client: guarantee refcounted children from parent session
CVE-2024-35939 9.3 CRITICAL dma-direct: Leak pages on dma_set_decrypted() failure
CVE-2024-35887 8.8 HIGH ax25: fix use-after-free bugs caused by ax25_ds_del_timer
CVE-2024-35915 8.8 HIGH nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet
CVE-2024-35889 8.6 HIGH idpf: fix kernel panic on unknown packet types
CVE-2024-35875 8.4 HIGH x86/coco: Require seeding RNG with RDRAND on CoCo systems
CVE-2024-35937 8.1 HIGH wifi: cfg80211: check A-MSDU format more carefully
CVE-2024-35921 7.8 HIGH media: mediatek: vcodec: Fix oops when HEVC init fails
CVE-2024-35905 7.8 HIGH bpf: Protect against int overflow for stack access size
CVE-2024-35890 7.8 HIGH gro: fix ownership transfer
CVE-2024-35919 7.8 HIGH media: mediatek: vcodec: adding lock to protect encoder context list
CVE-2024-35920 7.8 HIGH media: mediatek: vcodec: adding lock to protect decoder context list
CVE-2024-35897 7.8 HIGH netfilter: nf_tables: discard table flag update with pending basechain deletion

Showing top 20 of 82 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-35898

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