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CVE-2024-26910— netfilter: ipset: fix performance regression in swap operation

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，该漏洞源于存在竞争条件漏洞。

AI Predicted 3.3 Difficulty: Trivial EPSS 0.18% · P7

Affected Version Matrix 23

VendorProduct Version RangeStatus
Linux Linux 427deb5ba5661c4ae1cfb35955d2e01bd5f3090a< c7f2733e5011bfd136f1ca93497394d43aa76225 affected
e7152a138a5ac77439ff4e7a7533448a7d4c260d< a24d5f2ac8ef702a58e55ec276aad29b4bd97e05 affected
8bb930c3a1eacec1b14817f565ff81667c7c5dfa< c2dc077d8f722a1c73a24e674f925602ee5ece49 affected
875ee3a09e27b7adb7006ca6d16faf7f33415aa5< 653bc5e6d9995d7d5f497c665b321875a626161c affected
23c31036f862582f98386120aee55c9ae23d7899< b93a6756a01f4fd2f329a39216f9824c56a66397 affected
28628fa952fefc7f2072ce6e8016968cc452b1ba< 970709a67696b100a57b33af1a3d75fc34b747eb affected
28628fa952fefc7f2072ce6e8016968cc452b1ba< 97f7cf1cd80eeed3b7c808b7c12463295c751001 affected
a12606e5ad0cee8f4ba3ec68561c4d6275d2df57 affected
… +15 more rows
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I. Basic Information for CVE-2024-26910

Vulnerability Information
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Vulnerability Title
netfilter: ipset: fix performance regression in swap operation
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix performance regression in swap operation The patch "netfilter: ipset: fix race condition between swap/destroy and kernel side add/del/test", commit 28628fa9 fixes a race condition. But the synchronize_rcu() added to the swap function unnecessarily slows it down: it can safely be moved to destroy and use call_rcu() instead. Eric Dumazet pointed out that simply calling the destroy functions as rcu callback does not work: sets with timeout use garbage collectors which need cancelling at destroy which can wait. Therefore the destroy functions are split into two: cancelling garbage collectors safely at executing the command received by netlink and moving the remaining part only into the rcu callback.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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，该漏洞源于存在竞争条件漏洞。
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 427deb5ba5661c4ae1cfb35955d2e01bd5f3090a ~ c7f2733e5011bfd136f1ca93497394d43aa76225 -
Linux Linux 6.7 -

II. Public POCs for CVE-2024-26910

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III. Intelligence Information for CVE-2024-26910

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Mailing List Discussions for CVE-2024-26910 (1)

Other References for CVE-2024-26910 (6)

Same Patch Batch · Linux · 2024-04-17 · 100 CVEs total

CVE-2024-26853 9.8 CRITICAL igc: avoid returning frame twice in XDP_REDIRECT
CVE-2024-26877 9.8 CRITICAL crypto: xilinx - call finalize with bh disabled
CVE-2024-26828 9.4 CRITICAL cifs: fix underflow in parse_server_interfaces()
CVE-2024-26856 8.8 HIGH net: sparx5: Fix use after free inside sparx5_del_mact_entry
CVE-2024-26822 8.7 HIGH smb: client: set correct id, uid and cruid for multiuser automounts
CVE-2024-26830 8.4 HIGH i40e: Do not allow untrusted VF to remove administratively set MAC
CVE-2024-26898 7.8 HIGH aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts
CVE-2024-26864 7.8 HIGH tcp: Fix refcnt handling in __inet_hash_connect().
CVE-2024-26865 7.8 HIGH rds: tcp: Fix use-after-free of net in reqsk_timer_handler().
CVE-2024-26895 7.8 HIGH wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfaces
CVE-2024-26911 7.8 HIGH drm/buddy: Fix alloc_range() error handling code
CVE-2024-26852 7.8 HIGH net/ipv6: avoid possible UAF in ip6_route_mpath_notify()
CVE-2024-26869 7.8 HIGH f2fs: fix to truncate meta inode pages forcely
CVE-2024-26870 7.8 HIGH NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102
CVE-2024-26890 7.8 HIGH Bluetooth: btrtl: fix out of bounds memory access
CVE-2024-26838 7.8 HIGH RDMA/irdma: Fix KASAN issue with tasklet
CVE-2024-26885 7.8 HIGH bpf: Fix DEVMAP_HASH overflow check on 32-bit arches
CVE-2024-26919 7.8 HIGH usb: ulpi: Fix debugfs directory leak
CVE-2024-26824 7.8 HIGH crypto: algif_hash - Remove bogus SGL free on zero-length error path
CVE-2024-26823 7.8 HIGH irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems

Showing top 20 of 100 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26910

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