CVSS v3
9.8
CRITICAL
Score EPSS
0.6 %
probabilité d’exploitation au 2026-09-28
CISA KEV
Non
exploitation connue
Exploitation
—
statut SSVC
Description
In the Linux kernel, the following vulnerability has been resolved: net/smc: stop killed, freed and out_of_sync sharing a byte The three connection state flags are single-bit bitfields, so they occupy one byte of struct smc_connection and every store to one is a read-modify-write of the other two: u8 killed : 1; u8 freed : 1; u8 out_of_sync : 1; They are not written under a common lock. smc_cdc_msg_validate() sets out_of_sync from the receive tasklet, while smc_conn_kill() set
Détails techniques
- Publiée le
- 2026-09-11
- Dernière modification
- 2026-09-13
Questions fréquentes
Qu’est-ce que CVE-2026-80980 ?
In the Linux kernel, the following vulnerability has been resolved: net/smc: stop killed, freed and out_of_sync sharing a byte The three connection state flags are single-bit bitfields, so they occupy one byte of struct smc_connection and every store to one is a read-modify-write of the other two: u8 killed : 1; u8 freed : 1; u8 out_of_sync : 1; They are not written under a common lock. smc_cdc_msg_validate() sets out_of_sync from the receive tasklet, while smc_conn_kill() set
CVE-2026-80980 est-elle activement exploitée ?
Aucune exploitation active de CVE-2026-80980 n’est confirmée. Son score EPSS était de 0.6 % au 2026-09-28, soit la probabilité estimée d’exploitation dans les 30 prochains jours.
Quel est le score CVSS de CVE-2026-80980 ?
CVE-2026-80980 a un score de base CVSS v3 de 9.8 (gravité CRITICAL).
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