CVE-2024-27390

CVE-2024-27390 : In the Linux kernel, the mutex/barrier introduced in ipv6_mc_down() via synchronize_net() is removed (ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()). The change is aimed at reducing latency under load since synchronize_net() can delay 200 µs to 5 ms and may ...

CVE-2024-27390 ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: remove one synchronizenet barrier in ipv6mcdown As discussed in the past commit 2d3916f31891 "ipv6: fix skb drops in igmp6eventquery and igmp6eventreport" I think the synchronizenet call in ipv6mcdown is not needed...

CVE-2024-27075 media: dvb-frontends: avoid stack overflow warnings with clang

In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: avoid stack overflow warnings with clang A previous patch worked around a KASAN issue in stv0367, now a similar problem showed up with clang: drivers/media/dvb-frontends/stv0367.c:1222:12: error: stack frame...

CVE-2024-27075

CVE-2024-27075 targets Linux kernel media/dvb-frontends, specifically the stv0367 driver. The root cause is a stack-frame growth issue (stack frame size 3624 exceeds 2048) exposed by clang/KASAN_STACK, due to temporary i2c_msg structures on the stack in stv0367ter_set_frontend. The fix reworks st...

CVE-2024-27075

In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: avoid stack overflow warnings with clang A previous patch worked around a KASAN issue in stv0367, now a similar problem showed up with clang: drivers/media/dvb-frontends/stv0367.c:1222:12: error: stack frame...

CVE-2024-27070 f2fs: fix to avoid use-after-free issue in f2fs_filemap_fault

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid use-after-free issue in f2fsfilemapfault syzbot reports a f2fs bug as below: BUG: KASAN: slab-use-after-free in f2fsfilemapfault+0xd1/0x2c0 fs/f2fs/file.c:49 Read of size 8 at addr ffff88807bb22680 by task...

CVE-2024-27070 f2fs: fix to avoid use-after-free issue in f2fs_filemap_fault

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid use-after-free issue in f2fsfilemapfault syzbot reports a f2fs bug as below: BUG: KASAN: slab-use-after-free in f2fsfilemapfault+0xd1/0x2c0 fs/f2fs/file.c:49 Read of size 8 at addr ffff88807bb22680 by task...

CVE-2024-27061 crypto: sun8i-ce - Fix use after free in unprepare

In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ce - Fix use after free in unprepare sun8icecipherunprepare should be called before cryptofinalizeskcipherrequest, because client callbacks may immediately free memory, that isn't needed anymore. But it will be used...

CVE-2024-26991

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: x86: Don't overflow lpageinfo when checking attributes Fix KVMSETMEMORYATTRIBUTES to not overflow lpageinfo array and trigger KASAN splat, as seen in the privatememconversionstest selftest. When memory attributes ar...

DEBIAN-CVE-2024-26932

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: fix double-free issue in tcpmportunregisterpd When unregister pd capabilitie in tcpm, KASAN will capture below double -free issue. The root cause is the same capabilitiy will be kfreed twice, the first time is...

UBUNTU-CVE-2024-26932

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: fix double-free issue in tcpmportunregisterpd When unregister pd capabilitie in tcpm, KASAN will capture below double -free issue. The root cause is the same capabilitiy will be kfreed twice, the first time is...

CVE-2024-26991

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: x86: Don't overflow lpageinfo when checking attributes Fix KVMSETMEMORYATTRIBUTES to not overflow lpageinfo array and trigger KASAN splat, as seen in the privatememconversionstest selftest. When memory attributes ar...

CVE-2024-26932

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: fix double-free issue in tcpmportunregisterpd When unregister pd capabilitie in tcpm, KASAN will capture below double -free issue. The root cause is the same capabilitiy will be kfreed twice, the first time is...

CVE-2024-26951

In the Linux kernel, the following vulnerability has been resolved: wireguard: netlink: check for dangling peer via isdead instead of empty list If all peers are removed via wgpeerremoveall, rather than setting peerlist to empty, the peer is added to a temporary list with a head on the stack of...

UBUNTU-CVE-2024-26944

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix use-after-free in dozonefinish Shinichiro reported the following use-after-free triggered by the device replace operation in fstests btrfs/070. BTRFS info device nullb1: scrub: finished on devid 1 with status: 0...

UBUNTU-CVE-2024-26983

In the Linux kernel, the following vulnerability has been resolved: bootconfig: use memblockfreelate to free xbc memory to buddy On the time to free xbc memory in xbcexit, memblock may has handed over memory to buddy allocator. So it doesn't make sense to free memory back to memblock. memblockfre...

CVE-2024-26991

CVE-2024-26991 relates to the Linux kernel KVM x86/mmu path. The vulnerability stems from overflow of the lpage_info array when checking attributes during KVM_SET_MEMORY_ATTRIBUTES, which can lead to a vmalloc-out-of-bounds read in hugepage attribute checks (observed as KASAN: vmalloc-out-of-boun...

CVE-2024-26991 KVM: x86/mmu: x86: Don't overflow lpage_info when checking attributes

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: x86: Don't overflow lpageinfo when checking attributes Fix KVMSETMEMORYATTRIBUTES to not overflow lpageinfo array and trigger KASAN splat, as seen in the privatememconversionstest selftest. When memory attributes ar...

CVE-2024-26991

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: x86: Don't overflow lpageinfo when checking attributes Fix KVMSETMEMORYATTRIBUTES to not overflow lpageinfo array and trigger KASAN splat, as seen in the privatememconversionstest selftest. When memory attributes ar...

CVE-2024-26983

CVE-2024-26983 is a Linux kernel issue about freeing xbc memory in bootconfig. The root cause was memblock_free() being used during xbc_exit() when memory may have already been handed to the buddy allocator, causing use-after-free (UAF) on certain architectures (e.g., CONFIG_ARCH_KEEP_MEMBLOCK di...