CVE-2021-47145

CVE-2021-47145 affects the Linux kernel (btrfs) where a BUG_ON in link_to_fixup_dir can trigger a kernel panic during error paths in log recovery. The description shows a replay/recover flow (replay_one_buffer, btrfs_recover_log_trees, open_ctree) panicking with an invalid opcode in fs/btrfs/tree...

CVE-2021-47145

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not BUGON in linktofixupdir While doing error injection testing I got the following panic kernel BUG at fs/btrfs/tree-log.c:1862! invalid opcode: 0000 1 SMP NOPTI CPU: 1 PID: 7836 Comm: mount Not tainted 5.13.0-rc1+ 305...

CVE-2021-47170

In the Linux kernel, the following vulnerability has been resolved: USB: usbfs: Don't WARN about excessively large memory allocations Syzbot found that the kernel generates a WARNing if the user tries to submit a bulk transfer through usbfs with a buffer that is way too large. This isn't a bug in...

CVE-2021-47162

In the Linux kernel, the following vulnerability has been resolved: tipc: skblinearize the head skb when reassembling msgs It's not a good idea to append the frag skb to a skb's fraglist if the fraglist already has skbs from elsewhere, such as this skb was created by pskbcopy where the fraglist w...

SUSE CVE-2024-26634

In the Linux kernel, the following vulnerability has been resolved: net: fix removing a namespace with conflicting altnames Mark reports a BUG when a net namespace is removed. kernel BUG at net/core/dev.c:11520! Physical interfaces moved outside of initnet get "refunded" to initnet when that...

DEBIAN-CVE-2024-26634

In the Linux kernel, the following vulnerability has been resolved: net: fix removing a namespace with conflicting altnames Mark reports a BUG when a net namespace is removed. kernel BUG at net/core/dev.c:11520! Physical interfaces moved outside of initnet get "refunded" to initnet when that...

CVE-2024-26634 net: fix removing a namespace with conflicting altnames

In the Linux kernel, the following vulnerability has been resolved: net: fix removing a namespace with conflicting altnames Mark reports a BUG when a net namespace is removed. kernel BUG at net/core/dev.c:11520! Physical interfaces moved outside of initnet get "refunded" to initnet when that...

CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

CVE-2021-47090

In the Linux kernel, the following vulnerability has been resolved: mm/hwpoison: clear MFCOUNTINCREASED before retrying getanypage Hulk Robot reported a panic in putpagetestzero when testing madvise with MADVSOFTOFFLINE. The BUG is triggered when retrying getanypage. This is because we keep...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: ALSA: rawmidi - fix the uninitalized userpversion The userpversion was uninitialized for the user space file structure in the open function, because the file private structure use kmalloc for the allocation. The kernel ALSA...

CVE-2023-52582

In the Linux kernel, the following vulnerability has been resolved: netfs: Only call foliostartfscache one time for each folio If a network filesystem using netfs implements a clamplength function, it can set subrequest lengths smaller than a page size. When we loop through the folios in...

UBUNTU-CVE-2023-52562

In the Linux kernel, the following vulnerability has been resolved: mm/slabcommon: fix slabcaches list corruption after kmemcachedestroy After the commit in Fixes:, if a module that created a slab cache does not release all of its allocated objects before destroying the cache at rmmod time, we...

CVE-2023-52582 netfs: Only call folio_start_fscache() one time for each folio

In the Linux kernel, the following vulnerability has been resolved: netfs: Only call foliostartfscache one time for each folio If a network filesystem using netfs implements a clamplength function, it can set subrequest lengths smaller than a page size. When we loop through the folios in...

CVE-2023-52562

In the Linux kernel, the following vulnerability has been resolved: mm/slabcommon: fix slabcaches list corruption after kmemcachedestroy After the commit in Fixes:, if a module that created a slab cache does not release all of its allocated objects before destroying the cache at rmmod time, we...

Linux kernel security vulnerabilities

The Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that stems from allowing a call to dmaentryalloccheckleak under freeentrieslock...

CVE-2021-46983

A flaw was found in an error-handling function in the Linux kernel's NVMe driver. This flaw allows an attacker with control over NVMe links to cause a denial of service. Mitigation Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a...

CVE-2021-46961

A flaw was found in the Linux kernel. Enabled irqs when handling spurious interrups may affect the availability...

CVE-2021-46982

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix race condition of overwrite vs truncate posfsstress testcase complains a panic as belew: ------------ cut here ------------ kernel BUG at fs/f2fs/compress.c:1082! invalid opcode: 0000 1 SMP PTI CPU: 4 PID:...

Race condition

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix race condition of overwrite vs truncate posfsstress testcase complains a panic as belew: ------------ cut here ------------ kernel BUG at fs/f2fs/compress.c:1082! invalid opcode: 0000 1 SMP PTI CPU: 4 PID:...