CVE-2024-26901

CVE-2024-26901 is a Linux kernel information-leak vulnerability identified by syzbot in do_sys_name_to_handle, where uninitialized bytes were observed during copy to userspace. The issue was mitigated by replacing a kmalloc path with kzalloc, addressing uninitialized memory (Bytes 18–19) and rela...

CVE-2024-26899 block: fix deadlock between bd_link_disk_holder and partition scan

In the Linux kernel, the following vulnerability has been resolved: block: fix deadlock between bdlinkdiskholder and partition scan 'openmutex' of gendisk is used to protect open/close block devices. But in bdlinkdiskholder, it is used to protect the creation of symlink between holding disk and...

CVE-2024-26895 wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfaces

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfaces wilcnetdevcleanup currently triggers a KASAN warning, which can be observed on interface registration error path, or simply by removing the...

CVE-2024-26891 iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Don't issue ATS Invalidation request when device is disconnected For those endpoint devices connect to system via hotplug capable ports, users could request a hot reset to the device by flapping device's link through...

CVE-2024-26892 wifi: mt76: mt7921e: fix use-after-free in free_irq()

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921e: fix use-after-free in freeirq From commit a304e1b82808 "PATCH Debug shared irqs", there is a test to make sure the shared irq handler should be able to handle the unexpected event after deregistration. For th...

CVE-2024-26883

CVE-2024-26883 : In the Linux kernel, a vulnerability was fixed that affects 32-bit architectures in the stackmap handling used by BPF. The overflow risk arises when roundup_pow_of_two() is used to compute the number of hash buckets, as a 32‑bit left shift can overflow and cause undefined behavio...

CVE-2024-26876 drm/bridge: adv7511: fix crash on irq during probe

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: adv7511: fix crash on irq during probe Moved IRQ registration down to end of adv7511probe. If an IRQ already is pending during adv7511probe before adv7511cecinit then cecreceivedmsgts could crash using uninitialized...

CVE-2024-26869 f2fs: fix to truncate meta inode pages forcely

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to truncate meta inode pages forcely Below race case can cause data corruption: Thread A GC thread - gcdatasegment - radatablock - locked metainode page - f2fsinplacewritedata - invalidatemappingpages : fail to invalida...

CVE-2024-26868 nfs: fix panic when nfs4_ff_layout_prepare_ds() fails

In the Linux kernel, the following vulnerability has been resolved: nfs: fix panic when nfs4fflayoutprepareds fails We've been seeing the following panic in production BUG: kernel NULL pointer dereference, address: 0000000000000065 PGD 2f485f067 P4D 2f485f067 PUD 2cc5d8067 PMD 0 RIP:...

CVE-2024-26863 hsr: Fix uninit-value access in hsr_get_node()

In the Linux kernel, the following vulnerability has been resolved: hsr: Fix uninit-value access in hsrgetnode KMSAN reported the following uninit-value access issue 1: ===================================================== BUG: KMSAN: uninit-value in hsrgetnode+0xa2e/0xa40 net/hsr/hsrframereg.c:2...

CVE-2024-26860 dm-integrity: fix a memory leak when rechecking the data

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix a memory leak when rechecking the data Memory for the "checksums" pointer will leak if the data is rechecked after checksum failure because the associated kfree won't happen due to 'goto skipio'. Fix this by...

CVE-2024-26857 geneve: make sure to pull inner header in geneve_rx()

In the Linux kernel, the following vulnerability has been resolved: geneve: make sure to pull inner header in geneverx syzbot triggered a bug in geneverx 1 Issue is similar to the one I fixed in commit 8d975c15c0cd "ip6tunnel: make sure to pull inner header in ip6tnlrcv" We have to save...

CVE-2024-26856 net: sparx5: Fix use after free inside sparx5_del_mact_entry

In the Linux kernel, the following vulnerability has been resolved: net: sparx5: Fix use after free inside sparx5delmactentry Based on the static analyzis of the code it looks like when an entry from the MAC table was removed, the entry was still used after being freed. More precise the vid of th...

CVE-2024-26836

In the Linux kernel, the following vulnerability has been resolved: platform/x86: think-lmi: Fix password opcode ordering for workstations The Lenovo workstations require the password opcode to be run before the attribute value is changed if Admin password is enabled. Tested on some Thinkpads to...

CVE-2024-26841

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Update cpusiblingmap when disabling nonboot CPUs Update cpusiblingmap when disabling nonboot CPUs by defining & calling clearcpusiblingmap, otherwise we get such errors on SMT systems: jump label: negative count!...

CVE-2024-26829

CVE-2024-26829 : Linux kernel vulnerability in media: ir_toy where a memleak could occur if the command path and irtoy_tx allocation are used and the command fails; the leak is mitigated by freeing the allocated buffer (buf) when irtoy_command fails. Connected advisories confirm the issue and des...

CVE-2024-26826 mptcp: fix data re-injection from stale subflow

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix data re-injection from stale subflow When the MPTCP PM detects that a subflow is stale, all the packet scheduler must re-inject all the mptcp-level unacked data. To avoid acquiring unneeded locks, it first try to check...

CVE-2024-26823 irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems While refactoring the way the ITSs are probed, the handling of quirks applicable to ACPI-based platforms was lost. As a result, systems such as HIP07 lose their GIC...

CVE-2021-47218 selinux: fix NULL-pointer dereference when hashtab allocation fails

In the Linux kernel, the following vulnerability has been resolved: selinux: fix NULL-pointer dereference when hashtab allocation fails When the hash table slot array allocation fails in hashtabinit, h-size is left initialized with a non-zero value, but the h-htable pointer is NULL. This may then...

CVE-2021-47204 net: dpaa2-eth: fix use-after-free in dpaa2_eth_remove

In the Linux kernel, the following vulnerability has been resolved: net: dpaa2-eth: fix use-after-free in dpaa2ethremove Access to netdev after freenetdev will cause use-after-free bug. Move debug log before freenetdev call to avoid it...