CVE-2022-49878

In the Linux kernel, the following vulnerability has been resolved: bpf, verifier: Fix memory leak in array reallocation for stack state If an error NULL is returned by krealloc, callers of reallocarray were setting their allocation pointers to NULL, but on error krealloc does not touch the...

CVE-2022-49878 bpf, verifier: Fix memory leak in array reallocation for stack state

In the Linux kernel, the following vulnerability has been resolved: bpf, verifier: Fix memory leak in array reallocation for stack state If an error NULL is returned by krealloc, callers of reallocarray were setting their allocation pointers to NULL, but on error krealloc does not touch the...

UBUNTU-CVE-2023-52928

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip invalid kfunc call in backtrackinsn The verifier skips invalid kfunc call in checkkfunccall, which would be captured in fixupkfunccall if such insn is not eliminated by dead code elimination. However, this can lead to t...

CVE-2023-52928 bpf: Skip invalid kfunc call in backtrack_insn

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip invalid kfunc call in backtrackinsn The verifier skips invalid kfunc call in checkkfunccall, which would be captured in fixupkfunccall if such insn is not eliminated by dead code elimination. However, this can lead to t...

PT-2025-13304 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the bpf verifier skipping invalid kfunc calls in backtrack insn. This issue could lead to a warning in backtrack insn...

The vulnerability of the adjust_jmp_off() function in the kernel/bpf/verifier.c module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the adjustjmpoff function in the kernel/bpf/verifier.c module of the Linux operating system is related to integer overflow or cyclic shift vulnerabilities. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the adjust_ptr_min_max_vals() function in the kernel/bpf/verifier.c module, which is part of the BPF interpreter support in the Linux operating system’s kernel, allows attackers to compromise the confidentiality and accessibility of protected information.

The vulnerability of the adjustptrminmaxvals function in the kernel/bpf/verifier.c module, which is part of the BPF interpreter for Linux operating systems, is related to incorrect validation of input data. Exploiting this vulnerability could allow an attacker to compromise the confidentiality an...

DEBIAN-CVE-2025-21852

In the Linux kernel, the following vulnerability has been resolved: net: Add rxskb of kfreeskb to rawtpnullargs. Yan Zhai reported a BPF prog could trigger a null-ptr-deref 0 in tracekfreeskb if the prog does not check if rxsk is NULL. Commit c53795d48ee8 "net: add rxsk to tracekfreeskb" added rx...

CVE-2025-21852 net: Add rx_skb of kfree_skb to raw_tp_null_args[].

In the Linux kernel, the following vulnerability has been resolved: net: Add rxskb of kfreeskb to rawtpnullargs. Yan Zhai reported a BPF prog could trigger a null-ptr-deref 0 in tracekfreeskb if the prog does not check if rxsk is NULL. Commit c53795d48ee8 "net: add rxsk to tracekfreeskb" added rx...

Linux Distros Unpatched Vulnerability : CVE-2024-50164

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Fix overloading of MEMUNINIT's meaning Lonial reported an issue in the BPF verifier where checkmemsizereg has the following code: if !tnumisconstreg-varoff...

Linux Distros Unpatched Vulnerability : CVE-2023-52920

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: support non-r10 register spill/fill to/from stack in precision tracking Use instruction jump history to record instructions that performed register...

SUSE CVE-2022-49236

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF due to race between btftrygetmodule and loadmodule While working on code to populate kfunc BTF ID sets for module BTF from its initcall, I noticed that by the time the initcall is invoked, the module BTF can already ...

CVE-2022-49236 bpf: Fix UAF due to race between btf_try_get_module and load_module

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF due to race between btftrygetmodule and loadmodule While working on code to populate kfunc BTF ID sets for module BTF from its initcall, I noticed that by the time the initcall is invoked, the module BTF can already ...

PT-2025-25834

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved. The issue is related to the bpf verifier, where the copy verifier state function should copy the loop entry field. If not copied,...

SUSE CVE-2023-2163

Incorrect verifier pruning in BPF in Linux Kernel =5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix helper functions that write to read-only maps Lonial identified an issue where, even when the BPF map on both the user and BPF sides is frozen like in the case of .rodata, it was still possible to write into it from the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: synclinked regs must preserve subregdef Range propagation must not affect subregdef marks. Otherwise, the following example is rewritten incorrectly by the verifier when the BPFFTESTRNDHI32 flag is set: 0: call bpfktimegetns...

kernel security update

5.14.0-503.19.15.OL9 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

SUSE CVE-2024-53125

In the Linux kernel, the following vulnerability has been resolved: bpf: synclinkedregs must preserve subregdef Range propagation must not affect subregdef marks, otherwise the following example is rewritten by verifier incorrectly when BPFFTESTRNDHI32 flag is set: 0: call bpfktimegetns call...

kernel: local privileges escalation in kernel/bpf/verifier.c

A flaw was found in the Linux kernel's adjustptrminmaxvals in the kernel/bpf/verifier.c function. In this flaw, a missing sanity check for ORNULL pointer types that perform pointer arithmetic may cause a kernel information leak issue...