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CVE-2026-53021— scsi: target: core: Fix integer overflow in UNMAP bounds check

EPSS 0.18% · P7
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I. Basic Information for CVE-2026-53021

Vulnerability Information
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Vulnerability Title
scsi: target: core: Fix integer overflow in UNMAP bounds check
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix integer overflow in UNMAP bounds check sbc_execute_unmap() checks LBA + range does not exceed the device capacity, but does not guard against LBA + range wrapping around on 64-bit overflow. Add an overflow check matching the pattern already used for WRITE_SAME in the same file.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 86d7182985d25900929adce14fffd729cc8c6fb8 ~ c08ab702c4699c6efb9d60bdb15b73e7a627ee7e -
LinuxLinux 3.10 -

II. Public POCs for CVE-2026-53021

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III. Intelligence Information for CVE-2026-53021

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Patches & Fixes for CVE-2026-53021 (6)

Other References for CVE-2026-53021 (2)

Same Patch Batch · Linux · 2026-06-24 · 219 CVEs total

CVE-2026-52980sched/fair: Clear rel_deadline when initializing forked entities
CVE-2026-52993tipc: fix double-free in tipc_buf_append()
CVE-2026-52991sched/psi: fix race between file release and pressure write
CVE-2026-52990fsnotify: fix inode reference leak in fsnotify_recalc_mask()
CVE-2026-52988netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase
CVE-2026-52989nvmet-tcp: propagate nvmet_tcp_build_pdu_iovec() errors to its callers
CVE-2026-52987drm/amdgpu: avoid double drm_exec_fini() in userq validate
CVE-2026-52986netfilter: nf_conntrack_sip: don't use simple_strtoul
CVE-2026-52985netdevsim: zero initialize struct iphdr in dummy sk_buff
CVE-2026-52984net/sched: netem: fix queue limit check to include reordered packets
CVE-2026-52982net: usb: rtl8150: fix use-after-free in rtl8150_start_xmit()
CVE-2026-52983net: airoha: fix BQL imbalance in TX path
CVE-2026-52981neigh: let neigh_xmit take skb ownership
CVE-2026-52979net: psp: check for device unregister when creating assoc
CVE-2026-52968KVM: s390: pci: fix GAIT table indexing due to double-scaling pointer arithmetic
CVE-2026-52972crypto: af_alg - Cap AEAD AD length to 0x80000000
CVE-2026-52970netfilter: nft_ct: fix missing expect put in obj eval
CVE-2026-52969KVM: Reject wrapped offset in kvm_reset_dirty_gfn()
CVE-2026-52971net: ena: PHC: Fix potential use-after-free in get_timestamp
CVE-2026-52967smb/client: fix possible infinite loop and oob read in symlink_data()

Showing top 20 of 219 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-53021

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