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CVE-2026-72100— dm-integrity: fix a bug if the bio is out of limits

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基金会开源的一个操作系统内核。 Linux kernel 6.11版本存在安全漏洞，该漏洞源于dm_integrity_check_limits失败时已锁定的范围未解锁，可能导致死锁。

CVSS 8.8 · High EPSS 0.60% · P48

Possible ATT&CK Techniques 1 AI

T1564.004 · NTFS File Attributes

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux fb0987682c629c1d2c476f35f6fde405a5e304a4< f7989286175f32db8605e767a1a2efc62e894dc8 affected
fb0987682c629c1d2c476f35f6fde405a5e304a4< aa5113e7155f4ea81d2c0303ab5cb272d4b32627 affected
fb0987682c629c1d2c476f35f6fde405a5e304a4< 3d1afaa074622859678b1a1e7c1b9c0af74c89b0 affected
fb0987682c629c1d2c476f35f6fde405a5e304a4< 5a266764fadaff8b5c1fe37a186ebf9b09cb953e affected
6.11 affected
< 6.11 unaffected
6.12.97≤ 6.12.* unaffected
6.18.40≤ 6.18.* unaffected
… +2 more rows
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I. Basic Information for CVE-2026-72100

Vulnerability Information
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Vulnerability Title
dm-integrity: fix a bug if the bio is out of limits
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix a bug if the bio is out of limits If dm_integrity_check_limits fails, the code would exit with DM_MAPIO_KILL. However, the range would be already locked at this point, and it wouldn't be unlocked, resulting in a deadlock. Let's move the limit check up, so that when it exits, no resources are leaked.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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基金会开源的一个操作系统内核。 Linux kernel 6.11版本存在安全漏洞，该漏洞源于dm_integrity_check_limits失败时已锁定的范围未解锁，可能导致死锁。
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 fb0987682c629c1d2c476f35f6fde405a5e304a4 ~ f7989286175f32db8605e767a1a2efc62e894dc8 -
Linux Linux 6.11 -

II. Public POCs for CVE-2026-72100

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III. Intelligence Information for CVE-2026-72100

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Patches & Fixes for CVE-2026-72100 (3)

Same Patch Batch · Linux · 2026-08-15 · 844 CVEs total

CVE-2026-74279 10.0 CRITICAL crypto: cavium/cpt - fix DMA cleanup using wrong loop index
CVE-2026-74280 10.0 CRITICAL crypto: marvell/octeontx - fix DMA cleanup using wrong loop index
CVE-2026-72421 10.0 CRITICAL ipv4: fib: Don't ignore error route in local/main tables.
CVE-2026-74475 10.0 CRITICAL vxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-74309 10.0 CRITICAL vdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-72408 10.0 CRITICAL geneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint
CVE-2026-72407 10.0 CRITICAL geneve: validate inner network offset in geneve_gro_complete()
CVE-2026-72493 9.9 CRITICAL net: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-72234 9.8 CRITICAL batman-adv: access unicast_ttvn skb->data only after skb realloc
CVE-2026-72355 9.8 CRITICAL netfs: Fix barriering when walking subrequest list
CVE-2026-72249 9.8 CRITICAL netfilter: flowtable: use dst in this direction when pushing IPIP header
CVE-2026-72248 9.8 CRITICAL netfilter: flowtable: support IPIP tunnel with direct xmit
CVE-2026-74495 9.8 CRITICAL igbvf: Fix leak in TX DMA error cleanup
CVE-2026-72429 9.8 CRITICAL ipv6: ioam: fix type confusion of dst_entry
CVE-2026-72436 9.8 CRITICAL netfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types
CVE-2026-74493 9.8 CRITICAL net/smc: fix socket use-after-free during link group termination
CVE-2026-72317 9.8 CRITICAL SUNRPC: pin upper rpc_clnt across the TLS connect_worker
CVE-2026-72351 9.8 CRITICAL gue: validate REMCSUM private option length
CVE-2026-74376 9.8 CRITICAL md/raid10: reset read_slot when reusing r10bio for discard
CVE-2026-72339 9.8 CRITICAL qede: fix off-by-one in BD ring consumption on build_skb failure

Showing top 20 of 844 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-72100

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