CVE-2026-23398

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

UBUNTU-CVE-2026-23398

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

UBUNTU-CVE-2026-23396

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL deref in meshmatcheslocal meshmatcheslocal unconditionally dereferences ie-meshconfig to compare mesh configuration parameters. When called from meshrxcsaframe, the parsed action-frame elements may not...

Security update for frr

This update for frr fixes the following issues: Security issues: CVE-2025-61099: NULL Pointer Dereference in FRRouting bsc1252838. CVE-2025-61100: NULL Pointer Dereference in FRRouting bsc1252829. CVE-2025-61101: NULL Pointer Dereference in FRRouting bsc1252833. CVE-2025-61102: NULL Pointer...

SUSE-SU-2026:1063-1 Security update for frr

This update for frr fixes the following issues: Security issues: - CVE-2025-61099: NULL Pointer Dereference in FRRouting bsc1252838. - CVE-2025-61100: NULL Pointer Dereference in FRRouting bsc1252829. - CVE-2025-61101: NULL Pointer Dereference in FRRouting bsc1252833. - CVE-2025-61102: NULL Point...

CVE-2026-23398 icmp: fix NULL pointer dereference in icmp_tag_validation()

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23398 icmp: fix NULL pointer dereference in icmp_tag_validation()

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23398

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23398

In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checking for NULL. The inetprotos array is sparse -- only about 15 of 256...

CVE-2026-23398

CVE-2026-23398 — Linux kernel icmp_tag_validation NULL pointer dereference has concrete details in the provided documents. The vulnerability occurs when icmp_tag_validation() dereferences inet_protos[proto] without a NULL check for an unregistered protocol number in an ICMP Fragmentation Needed p...

CVE-2026-23396 wifi: mac80211: fix NULL deref in mesh_matches_local()

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL deref in meshmatcheslocal meshmatcheslocal unconditionally dereferences ie-meshconfig to compare mesh configuration parameters. When called from meshrxcsaframe, the parsed action-frame elements may not...

CVE-2026-23396

The CVE-2026-23396 issue affects the Linux kernel mac80211 mesh code. The function mesh_matches_local() dereferenced ie->mesh_config without verifying presence, allowing a crafted CSA action frame that includes a Mesh ID IE but omits the Mesh Configuration IE to crash the kernel. The race is t...

SUSE-SU-2026:1059-1 Security update for the Linux Kernel (Live Patch 34 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.133 fixes various security issues The following security issues were fixed: - CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit bsc1255595. - CVE-2025-21738: ata: libata-sff: ensure that we cannot...

SUSE-SU-2026:1057-1 Security update for frr

This update for frr fixes the following issues: - CVE-2025-61099: NULL Pointer Dereference in FRRouting bsc1252838. - CVE-2025-61100: NULL Pointer Dereference in FRRouting bsc1252829. - CVE-2025-61101: NULL Pointer Dereference in FRRouting bsc1252833. - CVE-2025-61102: NULL Pointer Dereference in...

Security update for frr

This update for frr fixes the following issues: CVE-2025-61099: NULL Pointer Dereference in FRRouting bsc1252838. CVE-2025-61100: NULL Pointer Dereference in FRRouting bsc1252829. CVE-2025-61101: NULL Pointer Dereference in FRRouting bsc1252833. CVE-2025-61102: NULL Pointer Dereference in FRRouti...

wifi: mac80211: fix NULL pointer dereference in mesh_rx_csa_frame()

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ipv6: fix NULL pointer deref in ip6_rt_get_dev_rcu()

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atm: lec: fix null-ptr-deref in lec_arp_clear_vccs

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drbd: fix null-pointer dereference on local read error

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CVE-2026-33179

A flaw was found in libfuse. A local user can exploit a NULL pointer dereference and memory leak vulnerability during the setup of the iouring input/output mechanism. This can occur when memory allocation or queue registration fails, leading to the FUSE daemon crashing or resource exhaustion. Thi...