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CVE-2026-98902— md/raid5: let stripe batch bm_seq comparison wrap-safe

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.

在 Linux 内核中，以下漏洞已得到修复： md/raid5：使条带批处理的 bm_seq 比较具备回绕安全性（wrap-safe） 当 32 位序列号发生回绕时，较新的 bm_seq 可能看起来比旧的更小，因此需要将其转换为具备回绕安全性的计算方式。

AI Predicted 5.5 Difficulty: Moderate

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 647c7289a3960118e249c0a53da6f1ebba1e47a3 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< ffdd3aee932fc293456678f6b0200ffe9bf12a6d affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 628b14d0744bd5dfe176ea93559071cdcde14255 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 2fdc51228d9a8cad2d727d5aef732cc66fc6d56e affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< c5c89e1a872a84019f674f5107111e6e6b7cc30f affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< cc8eb1715673de850f14376782151f68f73ae3ce affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 00e93faf4cea9e8802ac5dfee0952d84fc95c40f affected
< 5.10.271 affected
… +12 more rows
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I. Basic Information for CVE-2026-98902

Vulnerability Information
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Vulnerability Title
md/raid5: let stripe batch bm_seq comparison wrap-safe
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: md/raid5: let stripe batch bm_seq comparison wrap-safe Once the 32-bit seq wraps, a newer bm_seq can look smaller than old, so .. covert to wrap-safe calculate way.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ 647c7289a3960118e249c0a53da6f1ebba1e47a3 -
Linux Linux 5.10.271 ~ 5.10.* -

II. Public POCs for CVE-2026-98902

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III. Intelligence Information for CVE-2026-98902

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Patches & Fixes for CVE-2026-98902 (6)

Same Patch Batch · Linux · 2026-10-23 · 218 CVEs total

CVE-2026-98938 rust: irq: pass RegistrationInner as cookie to request_irq
CVE-2026-98951 riscv: ptrace: Zero-initialize regset buffers before copyin
CVE-2026-98950 flow_dissector: avoid u16 truncation of hlen in bpf_flow_dissect()
CVE-2026-98949 drm/imagination: Fix reference and vm_bo handling in remap()
CVE-2026-98948 mlxsw: spectrum_flower: Fix port range register leak in tmplt_create()
CVE-2026-98947 vsock: Fix memory leak in vmci_transport_recv_dgram_cb()
CVE-2026-98946 drm/vc4: Disable the V3D interrupt across runtime suspend
CVE-2026-98945 HID: steam: Rearrange teardown sequence
CVE-2026-98944 HID: steam: Refactor registration
CVE-2026-98943 HID: steam: Clean up locking
CVE-2026-98942 sched_ext: Build the cid tables privately and publish them with RCU
CVE-2026-98941 ext4: don't enable large folios on encrypted inodes
CVE-2026-98940 ASoC: qcom: lpass-cpu: use DAI table index for playback constraints
CVE-2026-98939 x86/mm: Drop unnecessary PMD page copy when freeing
CVE-2026-98927 KVM: arm64: nv: Fix life cycle of the nested_mmus array
CVE-2026-98930 KVM: s390: Fix IRQ injection with SIGP Stop and Store Status
CVE-2026-98929 macsec: initialize SecY before registering the netdevice
CVE-2026-98928 KVM: arm64: Derive GUEST_HAS_SVE from the SVE feature bit at EL2
CVE-2026-98931 mtd: spinand: fix NULL pointer dereference with no ECC engine
CVE-2026-98926 drm/amd/display: Remove sink usage from DPMS

Showing top 20 of 218 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-98902

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