CVE-2024-42093

In the Linux kernel, the following vulnerability has been resolved: net/dpaa2: Avoid explicit cpumask var allocation on stack For CONFIGCPUMASKOFFSTACK=y kernel, explicit allocation of cpumask variable on stack is not recommended since it can cause potential stack overflow. Instead, kernel code...

CVE-2024-42082 xdp: Remove WARN() from __xdp_reg_mem_model()

In the Linux kernel, the following vulnerability has been resolved: xdp: Remove WARN from xdpregmemmodel syzkaller reports a warning in xdpregmemmodel. The warning occurs only if memidinithashtable returns an error. It returns the error in two cases: 1. memory allocation fails; 2. rhashtableinit...

CVE-2024-42079 gfs2: Fix NULL pointer dereference in gfs2_log_flush

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix NULL pointer dereference in gfs2logflush In gfs2jindexfree, set sdp-sdjdesc to NULL under the log flush lock to provide exclusion against gfs2logflush. In gfs2logflush, check if sdp-sdjdesc is non-NULL before...

CVE-2024-42066

CVE-2024-42066 is a Linux kernel vulnerability affecting DRM Xe: a potential integer overflow in page size calculation when computing min_page_size. The issue stems from not casting tbo->page_alignment to a 64-bit type before bit-shifting, enabling overflow in the calculation. The connected As...

CVE-2023-52887

CVE-2023-52887 affects the Linux kernel net: can: j1939 subsystem. The issue arises from enhanced error handling for tightly received RTS (Request to Send) messages in xtp_rx_rts_session_new, replacing WARN_ON_ONCE backtraces with a dedicated error handling path that allows early termination of p...

CVE-2024-41093 drm/amdgpu: avoid using null object of framebuffer

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid using null object of framebuffer Instead of using state-fb-obj0 directly, get object from framebuffer by calling drmgemfbgetobj and return error code when object is null to avoid using null object of framebuffer...

CVE-2024-41089 drm/nouveau/dispnv04: fix null pointer dereference in nv17_tv_get_hd_modes

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dispnv04: fix null pointer dereference in nv17tvgethdmodes In nv17tvgethdmodes, the return value of drmmodeduplicate is assigned to mode, which will lead to a possible NULL pointer dereference on failure of...

UBUNTU-CVE-2024-41040

In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix UAF when resolving a clash KASAN reports the following UAF: BUG: KASAN: slab-use-after-free in tcfctflowtableprocessconn+0x12b/0x380 actct Read of size 1 at addr ffff888c07603600 by task handler130/6469 Call Trace:...

UBUNTU-CVE-2024-41045

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer work in bpftimercancelandfree Currently, the same case as previous patch two timer callbacks trying to cancel each other can be invoked through bpfmapupdateelem as well, or more precisely, freeing map elements containi...

CVE-2024-41080 io_uring: fix possible deadlock in io_register_iowq_max_workers()

In the Linux kernel, the following vulnerability has been resolved: iouring: fix possible deadlock in ioregisteriowqmaxworkers The ioregisteriowqmaxworkers function calls ioputsqdata, which acquires the sqd-lock without releasing the uringlock. Similar to the commit 009ad9f0c6ee "iouring: drop...

CVE-2024-41079 nvmet: always initialize cqe.result

In the Linux kernel, the following vulnerability has been resolved: nvmet: always initialize cqe.result The spec doesn't mandate that the first two double words aka results for the command queue entry need to be set to 0 when they are not used not specified. Though, the target implemention return...

CVE-2024-41063 Bluetooth: hci_core: cancel all works upon hci_unregister_dev()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: cancel all works upon hciunregisterdev syzbot is reporting that calling hcireleasedev from hcierrorreset due to hcidevput from hcierrorreset can cause deadlock at destroyworkqueue, for hcierrorreset is called...

CVE-2024-41050 cachefiles: cyclic allocation of msg_id to avoid reuse

In the Linux kernel, the following vulnerability has been resolved: cachefiles: cyclic allocation of msgid to avoid reuse Reusing the msgid after a maliciously completed reopen request may cause a read request to remain unprocessed and result in a hung, as shown below: t1 | t2 | t3...

CVE-2024-41048 skmsg: Skip zero length skb in sk_msg_recvmsg

In the Linux kernel, the following vulnerability has been resolved: skmsg: Skip zero length skb in skmsgrecvmsg When running BPF selftests ./testprogs -t sockmapbasic on a Loongarch platform, the following kernel panic occurs: ... Oops1: CPU: 22 PID: 2824 Comm: testprogs Tainted: G OE 6.10.0-rc2+...

CVE-2024-41042 netfilter: nf_tables: prefer nft_chain_validate

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prefer nftchainvalidate nftchainvalidate already performs loop detection because a cycle will result in a call stack overflow ctx-level = NFTJUMPSTACKSIZE. It also follows maps via -validate callback in...

CVE-2024-41041

In the Linux kernel, the following vulnerability has been resolved: udp: Set SOCKRCUFREE earlier in udplibgetport. syzkaller triggered the warning 0 in udpv4earlydemux. In udpv46earlydemux and sklookup, we do not touch the refcount of the looked-up sk and use sockpfree as skb-destructor, so we...

CVE-2024-41040 net/sched: Fix UAF when resolving a clash

In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix UAF when resolving a clash KASAN reports the following UAF: BUG: KASAN: slab-use-after-free in tcfctflowtableprocessconn+0x12b/0x380 actct Read of size 1 at addr ffff888c07603600 by task handler130/6469 Call Trace:...

CVE-2024-41036 net: ks8851: Fix deadlock with the SPI chip variant

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Fix deadlock with the SPI chip variant When SMP is enabled and spinlocks are actually functional then there is a deadlock with the 'statelock' spinlock between ks8851startxmitspi and ks8851irq: watchdog: BUG: soft...

CVE-2024-41034 nilfs2: fix kernel bug on rename operation of broken directory

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug on rename operation of broken directory Syzbot reported that in rename directory operation on broken directory on nilfs2, blockwritebeginint called to prepare block write may fail BUGON check for access...

CVE-2024-41034

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug on rename operation of broken directory Syzbot reported that in rename directory operation on broken directory on nilfs2, blockwritebeginint called to prepare block write may fail BUGON check for access...