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CVE-2024-26663— tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()

EPSS 0.02% · P6
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I. Basic Information for CVE-2024-26663

Vulnerability Information
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Vulnerability Title
tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tipc: Check the bearer type before calling tipc_udp_nl_bearer_add() syzbot reported the following general protection fault [1]: general protection fault, probably for non-canonical address 0xdffffc0000000010: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000080-0x0000000000000087] ... RIP: 0010:tipc_udp_is_known_peer+0x9c/0x250 net/tipc/udp_media.c:291 ... Call Trace: <TASK> tipc_udp_nl_bearer_add+0x212/0x2f0 net/tipc/udp_media.c:646 tipc_nl_bearer_add+0x21e/0x360 net/tipc/bearer.c:1089 genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:972 genl_family_rcv_msg net/netlink/genetlink.c:1052 [inline] genl_rcv_msg+0x561/0x800 net/netlink/genetlink.c:1067 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2544 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline] netlink_unicast+0x53b/0x810 net/netlink/af_netlink.c:1367 netlink_sendmsg+0x8b7/0xd70 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0xd5/0x180 net/socket.c:745 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2584 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2638 __sys_sendmsg+0x117/0x1e0 net/socket.c:2667 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b The cause of this issue is that when tipc_nl_bearer_add() is called with the TIPC_NLA_BEARER_UDP_OPTS attribute, tipc_udp_nl_bearer_add() is called even if the bearer is not UDP. tipc_udp_is_known_peer() called by tipc_udp_nl_bearer_add() assumes that the media_ptr field of the tipc_bearer has an udp_bearer type object, so the function goes crazy for non-UDP bearers. This patch fixes the issue by checking the bearer type before calling tipc_udp_nl_bearer_add() in tipc_nl_bearer_add().
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tipc_udp_nl_bear_add（）存在安全漏洞。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux ef20cd4dd1633987bcf46ac34ace2c8af212361f ~ 24ec8f0da93b8a9fba11600be8a90f0d73fb46f1 -
LinuxLinux 4.9 -

II. Public POCs for CVE-2024-26663

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III. Intelligence Information for CVE-2024-26663

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Same Patch Batch · Linux · 2024-04-02 · 35 CVEs total

CVE-2024-26677rxrpc: Fix delayed ACKs to not set the reference serial number
CVE-2023-52635PM / devfreq: Synchronize devfreq_monitor_[start/stop]
CVE-2024-26671blk-mq: fix IO hang from sbitmap wakeup race
CVE-2024-26672drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get
CVE-2024-26673netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations
CVE-2023-52636libceph: just wait for more data to be available on the socket
CVE-2024-26674x86/lib: Revert to _ASM_EXTABLE_UA() for {get,put}_user() fixups
CVE-2024-26675ppp_async: limit MRU to 64K
CVE-2024-26676af_unix: Call kfree_skb() for dead unix_(sk)->oob_skb in GC.
CVE-2023-52634drm/amd/display: Fix disable_otg_wa logic
CVE-2024-26678x86/efistub: Use 1:1 file:memory mapping for PE/COFF .compat section
CVE-2024-26679inet: read sk->sk_family once in inet_recv_error()
CVE-2024-26680net: atlantic: Fix DMA mapping for PTP hwts ring
CVE-2024-26681netdevsim: avoid potential loop in nsim_dev_trap_report_work()
CVE-2024-26682wifi: mac80211: improve CSA/ECSA connection refusal
CVE-2024-26683wifi: cfg80211: detect stuck ECSA element in probe resp
CVE-2024-26684net: stmmac: xgmac: fix handling of DPP safety error for DMA channels
CVE-2024-26665tunnels: fix out of bounds access when building IPv6 PMTU error
CVE-2024-26657drm/sched: fix null-ptr-deref in init entity
CVE-2023-52631fs/ntfs3: Fix an NULL dereference bug

Showing top 20 of 35 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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