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CVE-2025-40050

In the Linux kernel, the following vulnerability has been resolved:

bpf: Skip scalar adjustment for BPF_NEG if dst is a pointer

In check_alu_op(), the verifier currently calls check_reg_arg() and
adjust_scalar_min_max_vals() unconditionally for BPF_NEG operations.
However, if the destination register holds a pointer, these scalar
adjustments are unnecessary and potentially incorrect.

This patch adds a check to skip the adjustment logic when the destination
register contains a pointer.
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Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version < b9ef4963227246b9222e1559ddeec8e7af63e6c6
Version aced132599b3c8884c050218d4c48eef203678f6
Status affected
Version < 34904582b502a86fdb4d7984b12cacd2faabbe0d
Version aced132599b3c8884c050218d4c48eef203678f6
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 6.17
Status affected
Version < 6.17
Version 0
Status unaffected
Version <= 6.17.*
Version 6.17.3
Status unaffected
Version <= *
Version 6.18
Status unaffected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.03% 0.063
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String