CVE-2025-21785— arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array
Affected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 5d425c18653731af62831d30a4fa023d532657a9< 4371ac7b494e933fffee2bd6265d18d73c4f05aa | affected |
5d425c18653731af62831d30a4fa023d532657a9< e4fde33107351ec33f1a64188612fbc6ca659284 | affected | ||
5d425c18653731af62831d30a4fa023d532657a9< 88a3e6afaf002250220793df99404977d343db14 | affected | ||
5d425c18653731af62831d30a4fa023d532657a9< 4ff25f0b18d1d0174c105e4620428bcdc1213860 | affected | ||
5d425c18653731af62831d30a4fa023d532657a9< ab90894f33c15b14c1cee6959ab6c8dcb09127f8 | affected | ||
5d425c18653731af62831d30a4fa023d532657a9< 715eb1af64779e1b1aa0a7b2ffb81414d9f708e5 | affected | ||
5d425c18653731af62831d30a4fa023d532657a9< 67b99a2b5811df4294c2ad50f9bff3b6a08bd618 | affected | ||
5d425c18653731af62831d30a4fa023d532657a9< 875d742cf5327c93cba1f11e12b08d3cce7a88d2 | affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2025-21785
Vulnerability Information
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Vulnerability Title
arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array The loop that detects/populates cache information already has a bounds check on the array size but does not account for cache levels with separate data/instructions cache. Fix this by incrementing the index for any populated leaf (instead of any populated level).
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，该漏洞源于未正确处理缓存信息数组的越界写入。
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-2025-21785
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patch · 5
Same Patch Batch · Linux · 2025-02-27 · 177 CVEs total
| CVE-2025-21756 | 7.8 HIGH | vsock: Keep the binding until socket destruction |
| CVE-2025-21770 | iommu: Fix potential memory leak in iopf_queue_remove_device() | |
| CVE-2025-21761 | openvswitch: use RCU protection in ovs_vport_cmd_fill_info() | |
| CVE-2025-21763 | neighbour: use RCU protection in __neigh_notify() | |
| CVE-2025-21762 | arp: use RCU protection in arp_xmit() | |
| CVE-2025-21764 | ndisc: use RCU protection in ndisc_alloc_skb() | |
| CVE-2025-21765 | ipv6: use RCU protection in ip6_default_advmss() | |
| CVE-2025-21766 | ipv4: use RCU protection in __ip_rt_update_pmtu() | |
| CVE-2025-21767 | clocksource: Use migrate_disable() to avoid calling get_random_u32() in atomic context | |
| CVE-2025-21769 | ptp: vmclock: Add .owner to vmclock_miscdev_fops | |
| CVE-2025-21768 | net: ipv6: fix dst ref loops in rpl, seg6 and ioam6 lwtunnels | |
| CVE-2025-21771 | sched_ext: Fix incorrect autogroup migration detection | |
| CVE-2025-21776 | USB: hub: Ignore non-compliant devices with too many configs or interfaces | |
| CVE-2025-21781 | batman-adv: fix panic during interface removal | |
| CVE-2025-21780 | drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table() | |
| CVE-2025-21779 | KVM: x86: Reject Hyper-V's SEND_IPI hypercalls if local APIC isn't in-kernel | |
| CVE-2025-21778 | tracing: Do not allow mmap() of persistent ring buffer | |
| CVE-2025-21777 | ring-buffer: Validate the persistent meta data subbuf array | |
| CVE-2025-21775 | can: ctucanfd: handle skb allocation failure | |
| CVE-2025-21773 | can: etas_es58x: fix potential NULL pointer dereference on udev->serial |
Showing top 20 of 177 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43502
net/rds: handle zerocopy send cleanup before the message is - CVE-2026-43501
ipv6: rpl: reserve mac_len headroom when recompressed SRH gr - CVE-2026-43498
accel/ivpu: Disallow re-exporting imported GEM objects - CVE-2026-43499
rtmutex: Use waiter::task instead of current in remove_waite - CVE-2026-43497
fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-aft
Same vendor: Linux
- CVE-2026-43502
net/rds: handle zerocopy send cleanup before the message is - CVE-2026-43501
ipv6: rpl: reserve mac_len headroom when recompressed SRH gr - CVE-2026-43498
accel/ivpu: Disallow re-exporting imported GEM objects - CVE-2026-43499
rtmutex: Use waiter::task instead of current in remove_waite - CVE-2026-43497
fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-aft
V. Comments for CVE-2025-21785
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