CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2024-35898 – netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()
https://notcve.org/view.php?id=CVE-2024-35898
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable(). And thhere is not any protection when iterate over nf_tables_flowtables list in __nft_flowtable_type_get(). Therefore, there is pertential data-race of nf_tables_flowtables list entry. Use list_for_each_entry_rcu() to iter... • https://git.kernel.org/stable/c/3b49e2e94e6ebb8b23d0955d9e898254455734f8 •
CVSS: 7.1EPSS: 0%CPEs: 6EXPL: 0CVE-2024-35896 – netfilter: validate user input for expected length
https://notcve.org/view.php?id=CVE-2024-35896
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: netfilter: validate user input for expected length I got multiple syzbot reports showing old bugs exposed by BPF after commit 20f2505fb436 ("bpf: Try to avoid kzalloc in cgroup/{s,g}etsockopt") setsockopt() @optlen argument should be taken into account before copying data. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2024-35893 – net/sched: act_skbmod: prevent kernel-infoleak
https://notcve.org/view.php?id=CVE-2024-35893
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: net/sched: act_skbmod: prevent kernel-infoleak syzbot found that tcf_skbmod_dump() was copying four bytes from kernel stack to user space [1]. The issue here is that 'struct tc_skbmod' has a four bytes hole. We need to clear the structure before filling fields. [1] BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline] BUG: KMSAN: kernel-infoleak in copy_to_user_iter lib/iov_iter.c:24 [inline] BUG: ... • https://git.kernel.org/stable/c/86da71b57383d40993cb90baafb3735cffe5d800 •
CVSS: 5.5EPSS: 0%CPEs: 9EXPL: 0CVE-2024-35888 – erspan: make sure erspan_base_hdr is present in skb->head
https://notcve.org/view.php?id=CVE-2024-35888
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: erspan: make sure erspan_base_hdr is present in skb->head syzbot reported a problem in ip6erspan_rcv() [1] Issue is that ip6erspan_rcv() (and erspan_rcv()) no longer make sure erspan_base_hdr is present in skb linear part (skb->head) before getting @ver field from it. Add the missing pskb_may_pull() calls. v2: Reload iph pointer in erspan_rcv() after pskb_may_pull() because skb->head might have changed. [1] BUG: KMSAN: uninit-value in pskb_... • https://git.kernel.org/stable/c/0a198e0bb8bef51ced179702ad1af6f9e3715b64 •
CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0CVE-2024-35887 – ax25: fix use-after-free bugs caused by ax25_ds_del_timer
https://notcve.org/view.php?id=CVE-2024-35887
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: ax25: fix use-after-free bugs caused by ax25_ds_del_timer When the ax25 device is detaching, the ax25_dev_device_down() calls ax25_ds_del_timer() to cleanup the slave_timer. When the timer handler is running, the ax25_ds_del_timer() that calls del_timer() in it will return directly. As a result, the use-after-free bugs could happen, one of the scenarios is shown below: (Thread 1) | (Thread 2) | ax25_ds_timeout() ax25_dev_device_down() | ax2... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2024-35886 – ipv6: Fix infinite recursion in fib6_dump_done().
https://notcve.org/view.php?id=CVE-2024-35886
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix infinite recursion in fib6_dump_done(). syzkaller reported infinite recursive calls of fib6_dump_done() during netlink socket destruction. [1] From the log, syzkaller sent an AF_UNSPEC RTM_GETROUTE message, and then the response was generated. The following recvmmsg() resumed the dump for IPv6, but the first call of inet6_dump_fib() failed at kzalloc() due to the fault injection. [0] 12:01:34 executing program 3: r0 = socket$nl_ro... • https://git.kernel.org/stable/c/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 •
CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0CVE-2024-35878 – of: module: prevent NULL pointer dereference in vsnprintf()
https://notcve.org/view.php?id=CVE-2024-35878
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: of: module: prevent NULL pointer dereference in vsnprintf() In of_modalias(), we can get passed the str and len parameters which would cause a kernel oops in vsnprintf() since it only allows passing a NULL ptr when the length is also 0. Also, we need to filter out the negative values of the len parameter as these will result in a really huge buffer since snprintf() takes size_t parameter while ours is ssize_t... Found by Linux Verification ... • https://git.kernel.org/stable/c/e4a449368a2ce6d57a775d0ead27fc07f5a86e5b • CWE-476: NULL Pointer Dereference •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2024-35877 – x86/mm/pat: fix VM_PAT handling in COW mappings
https://notcve.org/view.php?id=CVE-2024-35877
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: fix VM_PAT handling in COW mappings PAT handling won't do the right thing in COW mappings: the first PTE (or, in fact, all PTEs) can be replaced during write faults to point at anon folios. Reliably recovering the correct PFN and cachemode using follow_phys() from PTEs will not work in COW mappings. Using follow_phys(), we might just get the address+protection of the anon folio (which is very wrong), or fail on swap/nonswap entr... • https://git.kernel.org/stable/c/5899329b19100c0b82dc78e9b21ed8b920c9ffb3 •
CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0CVE-2024-35875 – x86/coco: Require seeding RNG with RDRAND on CoCo systems
https://notcve.org/view.php?id=CVE-2024-35875
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: x86/coco: Require seeding RNG with RDRAND on CoCo systems There are few uses of CoCo that don't rely on working cryptography and hence a working RNG. Unfortunately, the CoCo threat model means that the VM host cannot be trusted and may actively work against guests to extract secrets or manipulate computation. Since a malicious host can modify or observe nearly all inputs to guests, the only remaining source of entropy for CoCo guests is RDR... • https://git.kernel.org/stable/c/22943e4fe4b3a2dcbadc3d38d5bf840bbdbfe374 •
CVSS: 7.2EPSS: 0%CPEs: 6EXPL: 0CVE-2024-35871 – riscv: process: Fix kernel gp leakage
https://notcve.org/view.php?id=CVE-2024-35871
19 May 2024 — In the Linux kernel, the following vulnerability has been resolved: riscv: process: Fix kernel gp leakage childregs represents the registers which are active for the new thread in user context. For a kernel thread, childregs->gp is never used since the kernel gp is not touched by switch_to. For a user mode helper, the gp value can be observed in user space after execve or possibly by other means. [From the email thread] The /* Kernel thread */ comment is somewhat inaccurate in that it is also used for user_... • https://git.kernel.org/stable/c/7db91e57a0acde126a162ababfb1e0ab190130cb •