AZL-52338 CVE-2023-52920 affecting package kernel for versions less than 6.6.64.2-9

In the Linux kernel, the following vulnerability has been resolved: bpf: support non-r10 register spill/fill to/from stack in precision tracking Use instruction jump history to record instructions that performed register spill/fill to/from stack, regardless if this was done through read-only r10...

DEBIAN-CVE-2023-52920

In the Linux kernel, the following vulnerability has been resolved: bpf: support non-r10 register spill/fill to/from stack in precision tracking Use instruction jump history to record instructions that performed register spill/fill to/from stack, regardless if this was done through read-only r10...

PT-2024-33996

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.61 Description: The issue is related to the BPF verifier in the Linux kernel, where the meaning of MEM UNINIT has been overloaded, allowing a BPF program to write to a map marked as read-only. This is due to...

AZL-50802 CVE-2024-49861 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix helper writes to read-only maps Lonial found an issue that despite user- and BPF-side frozen BPF map like in case of .rodata, it was still possible to write into it from a BPF program side through specific helpers having...

DEBIAN-CVE-2024-47702

In the Linux kernel, the following vulnerability has been resolved: bpf: Fail verification for sign-extension of packet data/dataend/datameta syzbot reported a kernel crash due to commit 1f1e864b6555 "bpf: Handle sign-extenstin ctx member accesses". The reason is due to sign-extension of 32-bit...

UBUNTU-CVE-2024-47702

In the Linux kernel, the following vulnerability has been resolved: bpf: Fail verification for sign-extension of packet data/dataend/datameta syzbot reported a kernel crash due to commit 1f1e864b6555 "bpf: Handle sign-extenstin ctx member accesses". The reason is due to sign-extension of 32-bit...

The vulnerability of the do_misc_fixups() function in the Linux kernel’s BPF component allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the domiscfixups function in the kernel/bpf/verifier.c module of the Linux kernel’s BPF component is related to an infinite loop. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

CVE-2024-43910

In the Linux kernel, the following vulnerability has been resolved: bpf: add missing checkfuncargregoff to prevent out-of-bounds memory accesses Currently, it's possible to pass in a modified CONSTPTRTODYNPTR to a global function as an argument. The adverse effects of this is that BPF helpers can...

CVE-2024-43910 bpf: add missing check_func_arg_reg_off() to prevent out-of-bounds memory accesses

In the Linux kernel, the following vulnerability has been resolved: bpf: add missing checkfuncargregoff to prevent out-of-bounds memory accesses Currently, it's possible to pass in a modified CONSTPTRTODYNPTR to a global function as an argument. The adverse effects of this is that BPF helpers can...

CLSA-2024-1720468480 kernel: Fix of 89 CVEs

kvm: initialize all of the kvmdebugregs structure before sending it to userspace CVE-2023-1513 - wifi: mac80211: fix MBSSID parsing use-after-free CVE-2022-42719 - mac80211: always allocate struct ieee80211elems CVE-2022-42719 - netfilter: nftables: initialize registers in nftdochain...

SUSE CVE-2024-38662

In the Linux kernel, the following vulnerability has been resolved: bpf: Allow delete from sockmap/sockhash only if update is allowed We have seen an influx of syzkaller reports where a BPF program attached to a tracepoint triggers a locking rule violation by performing a mapdelete on a...

SUSE CVE-2024-38566

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix verifier assumptions about socket-sk The verifier assumes that 'sk' field in 'struct socket' is valid and non-NULL when 'socket' pointer itself is trusted and non-NULL. That may not be the case when socket was just creat...

AZL-42847 CVE-2024-38662 affecting package kernel for versions less than 6.6.35.1-4

In the Linux kernel, the following vulnerability has been resolved: bpf: Allow delete from sockmap/sockhash only if update is allowed We have seen an influx of syzkaller reports where a BPF program attached to a tracepoint triggers a locking rule violation by performing a mapdelete on a...

SUSE CVE-2021-47376

In the Linux kernel, the following vulnerability has been resolved: bpf: Add oversize check before call kvcalloc Commit 7661809d493b "mm: don't allow oversized kvmalloc calls" add the oversize check. When the allocation is larger than what kmalloc supports, the following warning triggered: WARNIN...

SUSE CVE-2023-52828

In the Linux kernel, the following vulnerability has been resolved: bpf: Detect IP == ksym.end as part of BPF program Now that bpfthrow kfunc is the first such call instruction that has noreturn semantics within the verifier, this also kicks in dead code elimination in unprecedented ways. For one...

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...

DEBIAN-CVE-2021-47376

In the Linux kernel, the following vulnerability has been resolved: bpf: Add oversize check before call kvcalloc Commit 7661809d493b "mm: don't allow oversized kvmalloc calls" add the oversize check. When the allocation is larger than what kmalloc supports, the following warning triggered: WARNIN...

UBUNTU-CVE-2021-47376

In the Linux kernel, the following vulnerability has been resolved: bpf: Add oversize check before call kvcalloc Commit 7661809d493b "mm: don't allow oversized kvmalloc calls" add the oversize check. When the allocation is larger than what kmalloc supports, the following warning triggered: WARNIN...

UBUNTU-CVE-2024-35905

In the Linux kernel, the following vulnerability has been resolved: bpf: Protect against int overflow for stack access size This patch re-introduces protection against the size of access to stack memory being negative; the access size can appear negative as a result of overflowing its signed int...

CVE-2024-35895 bpf, sockmap: Prevent lock inversion deadlock in map delete elem

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Prevent lock inversion deadlock in map delete elem syzkaller started using corpuses where a BPF tracing program deletes elements from a sockmap/sockhash map. Because BPF tracing programs can be invoked from any...