1042 matches found
Astra Linux – Vulnerability in Linux 5.10
In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: No support for struct arguments in trampoline programs The current implementation does not support struct arguments. This causes an oops when running the bpf selftest: $ ./testprogs -a tracingstruct Oops1: CPU -1...
Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix for checking attempts to corrupt spilled pointers When a register is spilled onto a stack as a 1/2/4-byte register, we set slottypeBPFREGSIZE - 1 plus possibly a few more bytes below it, depending on the actual spill siz...
Astra Linux – Vulnerability in Linux, Linux 5.10
preallocelemsandfreelist in kernel/bpf/stackmap.c in the Linux kernel before version 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow, resulting in an out-of-bounds write...
Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15
In the Linux kernel, the following vulnerability has been resolved: BPF, sockmap: Prevent lock inversion deadlock in mapdeleteelem operation. The syzkaller started using corpuses where a BPF tracing program deletes elements from a sockmap/sockhash map. Since BPF tracing programs can be invoked fr...
Astra Linux – Vulnerability in Linux 5.10
In the Linux kernel, the following vulnerability has been resolved: bpf: prevented decltag from being referenced in funcproto Syzkaller was able to exploit the following issue: ------------ cut here --- WARNING: CPU: 0 PID: 3609 at kernel/bpf/btf.c:1946 btftypeidsize+0x2d5/0x9d0...
Astra Linux – Vulnerability in Linux, Linux 5.10
In the Linux kernel, the following vulnerability has been resolved: bpf, s390: Fixed a potential memory leak related to jitdata. Make sure that jitdata is freed through kfree in the error path...
Astra Linux – Vulnerability in Linux 5.10
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix insufficient bounds propagation from adjustscalarminmaxvals Kuee reported a corner case where the tnum becomes constant after the call to regboundoffset, but the bounds of the register are not correct. In particular, the...
Astra Linux – Vulnerability in Linux 5.10
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix for constant blinding in PROBEMEM32 stores The immediate stores of BPFST|BPFMEM32 are not handled by bpfjitblindinsn. This allows user-controlled 32-bit immediate values to survive blinding and be included in JIT-compile...
Astra Linux – Vulnerability in Linux 5.10
In the Linux kernel, the following vulnerability has been resolved: slab: fixed the context check for kmallocnolock in the PREEMPTRT kernel mode. In PREEMPTRT kernels, locallock acts as a sleeping lock. The current check in kmallocnolock only verifies that the context does not match NMI or hard I...
Astra Linux – Vulnerability in Linux 5.10
In the Linux kernel, the following vulnerabilities have been resolved: powerpc/bpf: Fixed the detection of BPF atomic instructions. The commit 91c960b0056672 “bpf: Rename BPFXADD and prepare to encode other atomic instructions in .imm” changed BPFXADD to BPFATOMIC and added a mechanism to...
Astra Linux – Vulnerability in Linux 5.10
In the Linux kernel, the following vulnerability has been resolved: libbpf: Null-pointer dereferencing is prevented when the program to be loaded does not have a BTF. In bpfobjecloadprog, there is no guarantee that obj-btf is not NULL when it is passed to btffd. This function does not perform any...
Astra Linux – Vulnerability in Linux 5.10, Linux
In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was performing a socket lookup, taking a reference count of the socket. It w...
Astra Linux – Vulnerability in Linux 5.10
In the Linux kernel, the following vulnerability has been resolved: bpf: Consider the return from setmemoryrox when using bpfjitbinarylockro. setmemoryrox may fail, leaving memory unprotected. Check the return value and bail out if bpfjitbinarylockro returns an error...
Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021538)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021538 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Fix pointer-leak due to insufficient speculative store bypass mitigation To mitigate Spectre...
Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021553)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021553 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Call freehtabelem after htabunlockbucket For htab of maps, when the map is removed from the...
kernel: bpf: Do not include stack ptr register in precision backtracking bookkeeping
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...
CVE-2026-43333
A flaw was found in the Linux kernel's Berkeley Packet Filter BPF component. This vulnerability allows a local attacker to cause a kernel null pointer dereference by directly accessing nullable PTRTOBUF pointers without proper null checks. This can lead to a system crash, resulting in a Denial of...
SUSE CVE-2026-43333
In the Linux kernel, the following vulnerability has been resolved: bpf: reject direct access to nullable PTRTOBUF pointers checkmemaccess matches PTRTOBUF via basetype which strips PTRMAYBENULL, allowing direct dereference without a null check. Map iterator ctx-key and ctx-value are PTRTOBUF |...
OESA-2026-2234 kernel security update
The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Force 8-byte alignment for JIT buffer to prevent atomic tearing struct bpfplt contains a u64 target field. Currently, the BPF JIT allocator requests ...
