Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Fixed bpfarchtextpoke when newaddr == NULL again. The commit 7ded842b356d "s390/bpf: Fixed bpfplt pointer arithmetic" accidentally removed the critical portion of the commit c730fce7c70c "s390/bpf: Fixed bpfarchtextpoke...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: Do not include stack ptr register in precision backtracking bookkeeping Yi Lai reported an issue 1 where the following warning appears in kernel dmesg: 60.643604 verifier backtracking bug 60.643635 WARNING: CPU: 10 PID: 2315...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: RCU: Fixed a deadloop in rcureadunlock due to IRQ work. During rcureadunlockspecial, if this occurs during irqexit, we may get locked up if an IPI is issued. This is because the IPI itself triggers the irqexit path, causing a...

Linux Distros Unpatched Vulnerability : CVE-2025-40041

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The nsbpfqdisc selftest trigge...

SUSE CVE-2025-40078

In the Linux kernel, the following vulnerability has been resolved: bpf: Explicitly check accesses to bpfsockaddr Syzkaller found a kernel warning on the following sockaddr program: 0: r0 = 0 1: r2 = u32 r1 +60 2: exit which triggers: verifier bug: error during ctx access conversion 0 This is...

SUSE CVE-2025-40079

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Sign extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Unable to handle kernel paging request at virtual address ffffffffa38dbf58 Current testprogs pgtable: 4K pagesize, 57-bit...

CVE-2025-40078

In the Linux kernel, the following vulnerability has been resolved: bpf: Explicitly check accesses to bpfsockaddr Syzkaller found a kernel warning on the following sockaddr program: 0: r0 = 0 1: r2 = u32 r1 +60 2: exit which triggers: verifier bug: error during ctx access conversion 0 This is...

CVE-2025-40079

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Sign extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Unable to handle kernel paging request at virtual address ffffffffa38dbf58 Current testprogs pgtable: 4K pagesize, 57-bit...

AZL-68840 CVE-2025-40078 affecting package kernel for versions less than 6.6.112.1-2

In the Linux kernel, the following vulnerability has been resolved: bpf: Explicitly check accesses to bpfsockaddr Syzkaller found a kernel warning on the following sockaddr program: 0: r0 = 0 1: r2 = u32 r1 +60 2: exit which triggers: verifier bug: error during ctx access conversion 0 This is...

CVE-2025-40041

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Oops1: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58, era == 90000000851b5ac0, ra =...

UBUNTU-CVE-2025-40050

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip scalar adjustment for BPFNEG if dst is a pointer In checkaluop, the verifier currently calls checkregarg and adjustscalarminmaxvals unconditionally for BPFNEG operations. However, if the destination register holds a...

UBUNTU-CVE-2025-40078

In the Linux kernel, the following vulnerability has been resolved: bpf: Explicitly check accesses to bpfsockaddr Syzkaller found a kernel warning on the following sockaddr program: 0: r0 = 0 1: r2 = u32 r1 +60 2: exit which triggers: verifier bug: error during ctx access conversion 0 This is...

UBUNTU-CVE-2025-40041

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Sign-extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Oops1: CPU 0 Unable to handle kernel paging request at virtual address 0000000000741d58, era == 90000000851b5ac0, ra =...

CVE-2025-40079 riscv, bpf: Sign extend struct ops return values properly

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Sign extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Unable to handle kernel paging request at virtual address ffffffffa38dbf58 Current testprogs pgtable: 4K pagesize, 57-bit...

EUVD-2025-36449

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Sign extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Unable to handle kernel paging request at virtual address ffffffffa38dbf58 Current testprogs pgtable: 4K pagesize, 57-bit...

CVE-2025-40079

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Sign extend struct ops return values properly The nsbpfqdisc selftest triggers a kernel panic: Unable to handle kernel paging request at virtual address ffffffffa38dbf58 Current testprogs pgtable: 4K pagesize, 57-bit...

CVE-2025-40079

CVE-2025-40079 (Linux kernel) fixes a sign-extension bug in BPF for struct ops return values on RISCV. The issue caused a kernel panic in the ns_bpf_qdisc selftest when a skb pointer is sign-extended from 32 to 64 bits, which is incorrect for struct ops per the RISCV ABI. The description notes si...

CVE-2025-40078 bpf: Explicitly check accesses to bpf_sock_addr

In the Linux kernel, the following vulnerability has been resolved: bpf: Explicitly check accesses to bpfsockaddr Syzkaller found a kernel warning on the following sockaddr program: 0: r0 = 0 1: r2 = u32 r1 +60 2: exit which triggers: verifier bug: error during ctx access conversion 0 This is...

CVE-2025-40078

Linux kernel vulnerability CVE-2025-40078 concerns bpf_sock_addr padding access. Syzkaller-triggered a verifier bug during context access conversion because an implicit 4-byte padding after msg_src_ip4 was not rejected, allowing invalid padding access to slip through sock_addr_is_valid_access. Th...

CVE-2025-40078

In the Linux kernel, the following vulnerability has been resolved: bpf: Explicitly check accesses to bpfsockaddr Syzkaller found a kernel warning on the following sockaddr program: 0: r0 = 0 1: r2 = u32 r1 +60 2: exit which triggers: verifier bug: error during ctx access conversion 0 This is...