CVE ID : CVE-2025-68742<\/p>\n
Published : Dec. 24, 2025, 1:16 p.m. | 1\u00a0hour, 5\u00a0minutes ago<\/p>\n
Description : In the Linux kernel, the following vulnerability has been resolved:<\/p>\n
bpf: Fix invalid prog->stats access when update_effective_progs fails<\/p>\n
Syzkaller triggers an invalid memory access issue following fault
\ninjection in update_effective_progs. The issue can be described as
\nfollows:<\/p>\n
__cgroup_bpf_detach
\n update_effective_progs
\n compute_effective_progs
\n bpf_prog_array_alloc items[index] = &dummy_bpf_prog.prog<\/p>\n
—softirq start—
\n__do_softirq
\n …
\n __cgroup_bpf_run_filter_skb
\n __bpf_prog_run_save_cb
\n bpf_prog_run
\n stats = this_cpu_ptr(prog->stats)
\n \/* invalid memory access *\/
\n flags = u64_stats_update_begin_irqsave(&stats->syncp)
\n—softirq end—<\/p>\n
static_branch_dec(&cgroup_bpf_enabled_key[atype])<\/p>\n
The reason is that fault injection caused update_effective_progs to fail
\nand then changed the original prog into dummy_bpf_prog.prog in
\npurge_effective_progs. Then a softirq came, and accessing the members of
\ndummy_bpf_prog.prog in the softirq triggers invalid mem access.<\/p>\n
To fix it, skip updating stats when stats is NULL.<\/p>\n
Severity: 0.0 | NA<\/p>\n
Visit the link for more details, such as CVSS details, affected products, timeline, and more…\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"
CVE ID : CVE-2025-68742 Published : Dec. 24, 2025, 1:16 p.m. | 1\u00a0hour, 5\u00a0minutes ago Description : In the Linux kernel, the following vulnerability has been resolved: bpf: Fix invalid prog->stats access when update_effective_progs fails Syzkaller triggers an invalid memory access issue following fault injection in update_effective_progs. The issue can be described as follows: __cgroup_bpf_detach …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-74832","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/74832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=74832"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/74832\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=74832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=74832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=74832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}