CVE-2023-32249— ksmbd: not allow guest user on multichannel
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 12
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf< ed76d3a8910be06cd4e4ba63bf6075bf903945a1 | affected |
0626e6641f6b467447c81dd7678a69c66f7746cf< 1f0490586544455e5be698be2e6c30077b4ec461 | affected | ||
0626e6641f6b467447c81dd7678a69c66f7746cf< 4a98e859c4673013385a54084e0cd865695ca072 | affected | ||
0626e6641f6b467447c81dd7678a69c66f7746cf< 088131b7b01099720a528a72005ff17868705d40 | affected | ||
0626e6641f6b467447c81dd7678a69c66f7746cf< 3353ab2df5f68dab7da8d5ebb427a2d265a1f2b2 | affected | ||
5.15 | affected | ||
< 5.15 | unaffected | ||
5.15.112≤ 5.15.* | unaffected | ||
| … +4 more rows | |||
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I. Basic Information for CVE-2023-32249
Vulnerability Information
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Vulnerability Title
ksmbd: not allow guest user on multichannel
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: not allow guest user on multichannel This patch return STATUS_NOT_SUPPORTED if binding session is guest.
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，该漏洞源于允许多通道上的访客用户，可能导致权限提升。
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
II. Public POCs for CVE-2023-32249
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Linux · 2025-08-16 · 59 CVEs total
| CVE-2025-38533 | 9.8 CRITICAL | net: libwx: fix the using of Rx buffer DMA |
| CVE-2025-38527 | 9.8 CRITICAL | smb: client: fix use-after-free in cifs_oplock_break |
| CVE-2025-38552 | 9.4 CRITICAL | mptcp: plug races between subflow fail and subflow creation |
| CVE-2025-38512 | 8.8 HIGH | wifi: prevent A-MSDU attacks in mesh networks |
| CVE-2025-38511 | 8.8 HIGH | drm/xe/pf: Clear all LMTT pages on alloc |
| CVE-2025-38536 | 7.8 HIGH | net: airoha: fix potential use-after-free in airoha_npu_get() |
| CVE-2025-38539 | 7.8 HIGH | tracing: Add down_write(trace_event_sem) when adding trace event |
| CVE-2025-38542 | 7.8 HIGH | net: appletalk: Fix device refcount leak in atrtr_create() |
| CVE-2025-38532 | 7.8 HIGH | net: libwx: properly reset Rx ring descriptor |
| CVE-2025-38502 | 7.8 HIGH | bpf: Fix oob access in cgroup local storage |
| CVE-2025-38550 | 7.8 HIGH | ipv6: mcast: Delay put pmc->idev in mld_del_delrec() |
| CVE-2025-38514 | 7.5 HIGH | rxrpc: Fix oops due to non-existence of prealloc backlog struct |
| CVE-2025-38526 | 7.5 HIGH | ice: add NULL check in eswitch lag check |
| CVE-2025-38545 | 7.5 HIGH | net: ethernet: ti: am65-cpsw-nuss: Fix skb size by accounting for skb_shared_info |
| CVE-2025-38501 | 7.5 HIGH | ksmbd: limit repeated connections from clients with the same IP |
| CVE-2025-38523 | 7.5 HIGH | cifs: Fix the smbd_response slab to allow usercopy |
| CVE-2025-38525 | 7.5 HIGH | rxrpc: Fix irq-disabled in local_bh_enable() |
| CVE-2025-38524 | 7.5 HIGH | rxrpc: Fix recv-recv race of completed call |
| CVE-2025-38508 | 7.3 HIGH | x86/sev: Use TSC_FACTOR for Secure TSC frequency calculation |
| CVE-2025-38547 | 7.3 HIGH | iio: adc: axp20x_adc: Add missing sentinel to AXP717 ADC channel maps |
Showing top 20 of 59 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2022-4994
KVM: x86: wean fast IN from emulator_pio_in - CVE-2026-64560
posix-cpu-timers: Prevent UAF caused by non-leader exec() ra - CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl - CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation - CVE-2026-64556
perf/core: Detach event groups during remove_on_exec
Same vendor: Linux
- CVE-2022-4994
KVM: x86: wean fast IN from emulator_pio_in - CVE-2026-64560
posix-cpu-timers: Prevent UAF caused by non-leader exec() ra - CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl - CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation - CVE-2026-64556
perf/core: Detach event groups during remove_on_exec
V. Comments for CVE-2023-32249
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