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CVE-2024-40921— net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state

EPSS 0.02% · P6

Affected Version Matrix 8

VendorProductVersion RangeStatus
LinuxLinux8ca9a750fc711911ef616ceb627d07357b04545e< 09f4337c27f5bdeb8646a6db91488cc2f7d537ffaffected
4488617e5e995a09abe4d81add5fb165674edb59< a6cc9e9a651b9861efa068c164ee62dfba68c6caaffected
e43dd2b1ec746e105b7db5f9ad6ef14685a615a4< d2dc02775fc0c4eacaee833a0637e5958884a8e5affected
3a7c1661ae1383364cd6092d851f5e5da64d476b< 36c92936e868601fa1f43da6758cf55805043509affected
a2b01e65d9ba8af2bb086d3b7288ca53a07249acaffected
6.1.93< 6.1.95affected
6.6.33< 6.6.35affected
6.9.3< 6.9.6affected
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I. Basic Information for CVE-2024-40921

Vulnerability Information
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Vulnerability Title
net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state Pass the already obtained vlan group pointer to br_mst_vlan_set_state() instead of dereferencing it again. Each caller has already correctly dereferenced it for their context. This change is required for the following suspicious RCU dereference fix. No functional changes intended.
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 net:bridge:mst 组件在 br_mst_vlan_set_state 函数中直接传递 VLAN 组指针，而不是再次解引用。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 8ca9a750fc711911ef616ceb627d07357b04545e ~ 09f4337c27f5bdeb8646a6db91488cc2f7d537ff -
LinuxLinux 6.1.93 ~ 6.1.95 -

II. Public POCs for CVE-2024-40921

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III. Intelligence Information for CVE-2024-40921

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Same Patch Batch · Linux · 2024-07-12 · 122 CVEs total

CVE-2024-40960ipv6: prevent possible NULL dereference in rt6_probe()
CVE-2024-40975platform/x86: x86-android-tablets: Unregister devices in reverse order
CVE-2024-40974powerpc/pseries: Enforce hcall result buffer validity and size
CVE-2024-40973media: mtk-vcodec: potential null pointer deference in SCP
CVE-2024-40972ext4: do not create EA inode under buffer lock
CVE-2024-40970Avoid hw_desc array overrun in dw-axi-dmac
CVE-2024-40971f2fs: remove clear SB_INLINECRYPT flag in default_options
CVE-2024-40969f2fs: don't set RO when shutting down f2fs
CVE-2024-40967serial: imx: Introduce timeout when waiting on transmitter empty
CVE-2024-40968MIPS: Octeon: Add PCIe link status check
CVE-2024-40966tty: add the option to have a tty reject a new ldisc
CVE-2024-40965i2c: lpi2c: Avoid calling clk_get_rate during transfer
CVE-2024-40964ALSA: hda: cs35l41: Possible null pointer dereference in cs35l41_hda_unbind()
CVE-2024-40963mips: bmips: BCM6358: make sure CBR is correctly set
CVE-2024-40961ipv6: prevent possible NULL deref in fib6_nh_init()
CVE-2024-40962btrfs: zoned: allocate dummy checksums for zoned NODATASUM writes
CVE-2024-40951ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger()
CVE-2024-40950mm: huge_memory: fix misused mapping_large_folio_support() for anon folios
CVE-2024-40949mm: shmem: fix getting incorrect lruvec when replacing a shmem folio
CVE-2024-40952ocfs2: fix NULL pointer dereference in ocfs2_journal_dirty()

Showing top 20 of 122 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-40921

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