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Red Hat Security Advisory

RHSA-2026:59821

kernel security, bug fix, and enhancement update

Released 2026-08-26 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 8 records

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Validate CHAP_R length before base64 decode chap_server_compute_hash() allocates client_digest as kzalloc(chap->digest_size) and th…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00711 Published 2026-07-19 Partial fix · 6.1.176, 6.6.143 +4 CWE-122
Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: sctp: purge outqueue on stale COOKIE-ECHO handling sctp_stream_update() is only invoked when the association is moved into COOKIE_WAIT during associatio…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00659 Published 2026-06-24 Partial fix · 5.10.259, 5.15.210 +6 CWE-416
Priority MEDIUM 47

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page nvmet_execute_disc_get_log_page() validates only the dword alignment of the host-s…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00803 Published 2026-07-25 Partial fix · 6.1.191, 6.6.160 +4 CWE-125
Priority MEDIUM 44

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check An unintended behavior in the TCP conntrack state machine allow…

CVSS 3.1HIGH 8.2 Network No auth No interaction EPSS 0.00971 Published 2026-07-19 Partial fix · 5.10.259, 5.15.210 +6 CWE-20
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count rmi_f3a_initialize() takes the GPIO count from the device query register (f3a->gpio_count…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00169 Published 2026-07-25 Partial fix · 5.10.261, 5.15.212 +6 CWE-787
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count rmi_f30_map_gpios() allocates gpioled_key_map with min(gpioled_count, TRACKSTICK_RANG…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00169 Published 2026-07-25 Partial fix · 5.10.261, 5.15.212 +6 CWE-787
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: i2c: stub: Reject I2C block transfers with invalid length The I2C_SMBUS_I2C_BLOCK_DATA case in stub_xfer() uses data->block[0] as the transfer length.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00165 Published 2026-07-20 Partial fix · 5.10.260, 5.15.211 +6 CWE-787
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix race between dump and ip_set_list resize The release path of ip_set_dump_do() and ip_set_dump_done() read inst->ip_set_list via ip…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00126 Published 2026-07-20 Partial fix · 4.20, 5.10.261 +7 CWE-362