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Red Hat Security Advisory

RHSA-2026:77215

kernel security, bug fix, and enhancement update

Released 2026-10-07 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 10 records

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nf_flow_table_iterate() only treats original-direction tuple nodes as owning entries.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00536 Published 2026-08-26 Partial fix · 5.10.266, 5.15.217 +6
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
TI-2026-38089 CVE-2026-53002 · GHSA-2256-5c36-mwcj

netfilter: conntrack: remove sprintf usage

Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: remove sprintf usage Replace it with scnprintf, the buffer sizes are expected to be large enough to hold the result, no need for s…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00368 Published 2026-06-24 Partial fix · 5.10.258, 5.15.209 +6 CWE-787
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: restrict socket creation to the initial network namespace QRTR keeps its entire port and node state in module-global variables that are not p…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00151 Published 2026-08-10 Partial fix · 5.10.265, 5.15.216 +6 CWE-862
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: zram: fix use-after-free in zram_bvec_write_partial() zram_read_page() picks the sync or async backing device read path based on whether the parent bio…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00107 Published 2026-06-25 Partial fix · 6.6.143, 6.12.94 +3 CWE-364
TI-2026-38096 CVE-2026-53009 · GHSA-67p5-53x6-9j7q

ice: fix double-free of tx_buf skb

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: ice: fix double-free of tx_buf skb If ice_tso() or ice_tx_csum() fail, the error path in ice_xmit_frame_ring() frees the skb, but the 'first' tx_buf sti…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00182 Published 2026-06-24 Partial fix · 6.1.191, 6.6.160 +4 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: ip6_gre: Use cached t->net in ip6erspan_changelink().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00128 Published 2026-05-28 Partial fix · 4.17, 5.10.258 +7 CWE-416
TI-2022-25177 CVE-2022-49670 · GHSA-2q4p-mh77-5j5x

linux/dim: Fix divide by 0 in RDMA DIM

Priority LOW 34

In the Linux kernel, the following vulnerability has been resolved: linux/dim: Fix divide by 0 in RDMA DIM Fix a divide 0 error in rdma_dim_stats_compare() when prev->cpe_ratio == 0.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00718 Published 2025-02-26 Partial fix · 5.4.204, 5.10.129 +3 CWE-369
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: ALSA: 6fire: fix use-after-free on disconnect In usb6fire_chip_abort(), the chip struct is allocated as the card's private data (via snd_card_new with s…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00128 Published 2026-04-24 Partial fix · 5.10.258, 5.15.209 +10 CWE-416