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CVE-2024-57903— net: restrict SO_REUSEPORT to inet sockets

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SO_REUSEPORT限制问题。

AI Predicted 5.9 Difficulty: Moderate EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 22

VendorProduct Version RangeStatus
Linux Linux 8c7138b33e5c690c308b2a7085f6313fdcb3f616< 579cfa595af1e00ccc9c3a849a4add6bba8b4bad affected
8c7138b33e5c690c308b2a7085f6313fdcb3f616< ad2ad4cd11af9d63187cd074314b71b7cf8a2a59 affected
8c7138b33e5c690c308b2a7085f6313fdcb3f616< ad91a2dacbf8c26a446658cdd55e8324dfeff1e7 affected
8c7138b33e5c690c308b2a7085f6313fdcb3f616< 3257813a3ae7462ac5cde04e120806f0c0776850 affected
8c7138b33e5c690c308b2a7085f6313fdcb3f616< 5b0af621c3f6ef9261cf6067812f2fd9943acb4b affected
62241d6d9e497ad16372b74d2afa3340128e8e57 affected
1e24f532c736b3f99f3fe7c4be66414c40df5f02 affected
d5b1db1c7ce4198bbbd51160350bdd446c8ed2ba affected
… +14 more rows
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I. Basic Information for CVE-2024-57903

Vulnerability Information
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Vulnerability Title
net: restrict SO_REUSEPORT to inet sockets
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: restrict SO_REUSEPORT to inet sockets After blamed commit, crypto sockets could accidentally be destroyed from RCU call back, as spotted by zyzbot [1]. Trying to acquire a mutex in RCU callback is not allowed. Restrict SO_REUSEPORT socket option to inet sockets. v1 of this patch supported TCP, UDP and SCTP sockets, but fcnal-test.sh test needed RAW and ICMP support. [1] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:562 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 24, name: ksoftirqd/1 preempt_count: 100, expected: 0 RCU nest depth: 0, expected: 0 1 lock held by ksoftirqd/1/24: #0: ffffffff8e937ba0 (rcu_callback){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e937ba0 (rcu_callback){....}-{0:0}, at: rcu_do_batch kernel/rcu/tree.c:2561 [inline] #0: ffffffff8e937ba0 (rcu_callback){....}-{0:0}, at: rcu_core+0xa37/0x17a0 kernel/rcu/tree.c:2823 Preemption disabled at: [<ffffffff8161c8c8>] softirq_handle_begin kernel/softirq.c:402 [inline] [<ffffffff8161c8c8>] handle_softirqs+0x128/0x9b0 kernel/softirq.c:537 CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc3-syzkaller-00174-ga024e377efed #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 __might_resched+0x5d4/0x780 kernel/sched/core.c:8758 __mutex_lock_common kernel/locking/mutex.c:562 [inline] __mutex_lock+0x131/0xee0 kernel/locking/mutex.c:735 crypto_put_default_null_skcipher+0x18/0x70 crypto/crypto_null.c:179 aead_release+0x3d/0x50 crypto/algif_aead.c:489 alg_do_release crypto/af_alg.c:118 [inline] alg_sock_destruct+0x86/0xc0 crypto/af_alg.c:502 __sk_destruct+0x58/0x5f0 net/core/sock.c:2260 rcu_do_batch kernel/rcu/tree.c:2567 [inline] rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2823 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 run_ksoftirqd+0xca/0x130 kernel/softirq.c:950 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK>
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SO_REUSEPORT限制问题。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 8c7138b33e5c690c308b2a7085f6313fdcb3f616 ~ 579cfa595af1e00ccc9c3a849a4add6bba8b4bad -
Linux Linux 5.4 -

II. Public POCs for CVE-2024-57903

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III. Intelligence Information for CVE-2024-57903

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Patches & Fixes for CVE-2024-57903 (5)

Same Patch Batch · Linux · 2025-01-15 · 32 CVEs total

CVE-2024-57882 9.8 CRITICAL mptcp: fix TCP options overflow.
CVE-2024-36476 9.8 CRITICAL RDMA/rtrs: Ensure 'ib_sge list' is accessible
CVE-2024-57802 9.4 CRITICAL netrom: check buffer length before accessing it
CVE-2025-21629 8.2 HIGH net: reenable NETIF_F_IPV6_CSUM offload for BIG TCP packets
CVE-2024-57883 7.8 HIGH mm: hugetlb: independent PMD page table shared count
CVE-2024-57857 7.8 HIGH RDMA/siw: Remove direct link to net_device
CVE-2024-57801 7.8 HIGH net/mlx5e: Skip restore TC rules for vport rep without loaded flag
CVE-2024-57795 7.8 HIGH RDMA/rxe: Remove the direct link to net_device
CVE-2024-39282 7.8 HIGH net: wwan: t7xx: Fix FSM command timeout issue
CVE-2024-57896 7.8 HIGH btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount
CVE-2024-57893 7.8 HIGH ALSA: seq: oss: Fix races at processing SysEx messages
CVE-2024-57887 7.8 HIGH drm: adv7511: Fix use-after-free in adv7533_attach_dsi()
CVE-2024-57899 7.6 HIGH wifi: mac80211: fix mbss changed flags corruption on 32 bit systems
CVE-2024-57902 7.3 HIGH af_packet: fix vlan_get_tci() vs MSG_PEEK
CVE-2024-57901 7.3 HIGH af_packet: fix vlan_get_protocol_dgram() vs MSG_PEEK
CVE-2024-57895 7.1 HIGH ksmbd: set ATTR_CTIME flags when setting mtime
CVE-2024-57884 mm: vmscan: account for free pages to prevent infinite Loop in throttle_direct_reclaim()
CVE-2024-57892 ocfs2: fix slab-use-after-free due to dangling pointer dqi_priv
CVE-2024-57844 drm/xe: Fix fault on fd close after unbind
CVE-2024-57841 net: fix memory leak in tcp_conn_request()

Showing top 20 of 32 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-57903

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