CVE-2024-56558

In the Linux kernel, the following vulnerability has been resolved: nfsd: make sure exp active before svcexportshow The function eshow was called with protection from RCU. This only ensures that exp will not be freed. Therefore, the reference count for exp can drop to zero, which will trigger a...

UBUNTU-CVE-2024-56592

In the Linux kernel, the following vulnerability has been resolved: bpf: Call freehtabelem after htabunlockbucket For htab of maps, when the map is removed from the htab, it may hold the last reference of the map. bpfmapfdputptr will invoke bpfmapfreeid to free the id of the removed map element...

UBUNTU-CVE-2024-56633

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: Fix the skmemuncharge logic in tcpbpfsendmsg The current sk memory accounting logic in SKREDIRECT is pre-uncharging tosend bytes, which is either msg-sg.size or a smaller value applybytes. Potential problems with this...

UBUNTU-CVE-2024-56584

In the Linux kernel, the following vulnerability has been resolved: iouring/tctx: work around xastore allocation error issue syzbot triggered the following WARNON: WARNING: CPU: 0 PID: 16 at iouring/tctx.c:51 iouringfree+0xfa/0x140 iouring/tctx.c:51 which is the WARNONONCE!xaempty&tctx-xa; sanity...

CVE-2024-56657 ALSA: control: Avoid WARN() for symlink errors

In the Linux kernel, the following vulnerability has been resolved: ALSA: control: Avoid WARN for symlink errors Using WARN for showing the error of symlink creations don't give more information than telling that something goes wrong, since the usual code path is a lregister callback from each...

CVE-2024-56657 ALSA: control: Avoid WARN() for symlink errors

In the Linux kernel, the following vulnerability has been resolved: ALSA: control: Avoid WARN for symlink errors Using WARN for showing the error of symlink creations don't give more information than telling that something goes wrong, since the usual code path is a lregister callback from each...

CVE-2024-56657 ALSA: control: Avoid WARN() for symlink errors

In the Linux kernel, the following vulnerability has been resolved: ALSA: control: Avoid WARN for symlink errors Using WARN for showing the error of symlink creations don't give more information than telling that something goes wrong, since the usual code path is a lregister callback from each...

CVE-2024-56657

CVE-2024-56657 relates to the Linux kernel ALSA: control path where WARN() was used for symlink creation errors. The fix downgrades these warnings to dev_err() and adds the function name to the prefix to reduce confusion (notably for fuzzers). This is a patch-level remediation described in Azure ...

CVE-2024-56641 net/smc: initialize close_work early to avoid warning

In the Linux kernel, the following vulnerability has been resolved: net/smc: initialize closework early to avoid warning We encountered a warning that closework was canceled before initialization. WARNING: CPU: 7 PID: 111103 at kernel/workqueue.c:3047 flushwork+0x19e/0x1b0 Workqueue: events...

CVE-2024-56641

CVE-2024-56641 affects the Linux kernel (net/smc). The issue occurs when closing an SMC LGR connection: canceling close_work happens before it's initialized, triggering a WARN_ON in __flush_work. The fix is to initialize close_work before establishing the connection (as noted in the advisory). Re...

CVE-2024-56640 net/smc: fix LGR and link use-after-free issue

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix LGR and link use-after-free issue We encountered a LGR/link use-after-free issue, which manifested as the LGR/link refcnt reaching 0 early and entering the clear process, making resource access unsafe. refcountt:...

CVE-2024-56641 net/smc: initialize close_work early to avoid warning

In the Linux kernel, the following vulnerability has been resolved: net/smc: initialize closework early to avoid warning We encountered a warning that closework was canceled before initialization. WARNING: CPU: 7 PID: 111103 at kernel/workqueue.c:3047 flushwork+0x19e/0x1b0 Workqueue: events...

CVE-2024-56633 tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bpf_sendmsg

In the Linux kernel, the following vulnerability has been resolved: tcpbpf: Fix the skmemuncharge logic in tcpbpfsendmsg The current sk memory accounting logic in SKREDIRECT is pre-uncharging tosend bytes, which is either msg-sg.size or a smaller value applybytes. Potential problems with this...

CVE-2024-56609 wifi: rtw88: use ieee80211_purge_tx_queue() to purge TX skb

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: use ieee80211purgetxqueue to purge TX skb When removing kernel modules by: rmmod rtw888723cs rtw888703b rtw888723x rtw88sdio rtw88core Driver uses skbqueuepurge to purge TX skb, but not report tx status causing "Have...

CVE-2024-56594

CVE-2024-56594 references a Linux kernel vulnerability in the DRM/AMDGPU path where the sg segment length was not properly limited. The issue could cause over-mapping of AMDGPU sg length and trigger warnings from debug_dma_map_sg(), due to an incorrect max_segment_size. The connected advisories (...

CVE-2024-56594 drm/amdgpu: set the right AMDGPU sg segment limitation

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: set the right AMDGPU sg segment limitation The driver needs to set the correct maxsegmentsize; otherwise debugdmamapsg will complain about the over-mapping of the AMDGPU sg length as following: WARNING: CPU: 6 PID: 19...

CVE-2024-56592 bpf: Call free_htab_elem() after htab_unlock_bucket()

In the Linux kernel, the following vulnerability has been resolved: bpf: Call freehtabelem after htabunlockbucket For htab of maps, when the map is removed from the htab, it may hold the last reference of the map. bpfmapfdputptr will invoke bpfmapfreeid to free the id of the removed map element...

CVE-2024-56592 bpf: Call free_htab_elem() after htab_unlock_bucket()

In the Linux kernel, the following vulnerability has been resolved: bpf: Call freehtabelem after htabunlockbucket For htab of maps, when the map is removed from the htab, it may hold the last reference of the map. bpfmapfdputptr will invoke bpfmapfreeid to free the id of the removed map element...

CVE-2024-56583 sched/deadline: Fix warning in migrate_enable for boosted tasks

In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix warning in migrateenable for boosted tasks When running the following command: while true; do stress-ng --cyclic 30 --timeout 30s --minimize --quiet done a warning is eventually triggered: WARNING: CPU: 43 PID...

CVE-2024-56583

CVE-2024-56583 maps to a Linux kernel issue in the SCSI/HISI SAS path. The Tencent advisory TSSA-2025:0215 lists this CVE with a fix described as adding cond_resched() for the no-forced-preemption model, to prevent watchdog-like stalls under heavy migrate/paging scenarios. The connected doc confi...