CVE-2023-52796

In the Linux kernel, the following vulnerability has been resolved: ipvlan: add ipvlanroutev6outbound helper Inspired by syzbot reports using a stack of multiple ipvlan devices. Reduce stack size needed in ipvlanprocessv6outbound by moving the flowi6 struct used for the route lookup in an non...

CVE-2023-52778 mptcp: deal with large GSO size

In the Linux kernel, the following vulnerability has been resolved: mptcp: deal with large GSO size After the blamed commit below, the TCP sockets and the MPTCP subflows can build egress packets larger than 64K. That exceeds the maximum DSS data size, the length being misrepresent on the wire and...

CVE-2023-52770

CVE-2023-52770 is a Linux-kernel (f2fs) issue: the bug stems from how extent_cache is allocated, with a split between initial and dynamic conditions that could trigger a panic during extent_cache updates (observed during a file creation with compressed flag and subsequent operations). The vulnera...

CVE-2023-52770 f2fs: split initial and dynamic conditions for extent_cache

In the Linux kernel, the following vulnerability has been resolved: f2fs: split initial and dynamic conditions for extentcache Let's allocate the extentcache tree without dynamic conditions to avoid a missing condition causing a panic as below. create a file w/ a compressed flag disable the...

CVE-2023-52770 f2fs: split initial and dynamic conditions for extent_cache

In the Linux kernel, the following vulnerability has been resolved: f2fs: split initial and dynamic conditions for extentcache Let's allocate the extentcache tree without dynamic conditions to avoid a missing condition causing a panic as below. create a file w/ a compressed flag disable the...

CVE-2023-52745 IB/IPoIB: Fix legacy IPoIB due to wrong number of queues

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to ...

CVE-2023-52742

The CVE-2023-52742 entry concerns the Linux kernel USB plusb driver. The vulnerability arises from treating a zero-length control-OUT transfer as a read instead of a write, triggering a WARNING in urb.c when usb_submit_urb is executed. The provided connected details specify the root cause as inco...

CVE-2023-52738 drm/amdgpu/fence: Fix oops due to non-matching drm_sched init/fini

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/fence: Fix oops due to non-matching drmsched init/fini Currently amdgpu calls drmschedfini from the fence driver sw fini routine - such function is expected to be called only after the respective init function -...

CVE-2021-47412

In the Linux kernel, the following vulnerability has been resolved: block: don't call rqqosops-donebio if the bio isn't tracked rqqos framework is only applied on request based driver, so: 1 rqqosdonebio needn't to be called for bio based driver 2 rqqosdonebio needn't to be called for bio which...

DEBIAN-CVE-2021-47412

In the Linux kernel, the following vulnerability has been resolved: block: don't call rqqosops-donebio if the bio isn't tracked rqqos framework is only applied on request based driver, so: 1 rqqosdonebio needn't to be called for bio based driver 2 rqqosdonebio needn't to be called for bio which...

CVE-2021-47302

In the Linux kernel, the following vulnerability has been resolved: igc: Fix use-after-free error during reset Cleans the next descriptor to watch nexttowatch when cleaning the TX ring. Failure to do so can cause invalid memory accesses. If igcpoll runs while the controller is being reset this ca...

CVE-2021-47284

In the Linux kernel, the following vulnerability has been resolved: isdn: mISDN: netjet: Fix crash in njprobe: 'njsetup' in netjet.c might fail with -EIO and in this case 'card-irq' is initialized and is bigger than zero. A subsequent call to 'njrelease' will free the irq that has not been...

CVE-2021-47228

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Map EFI-reserved memory as encrypted for SEV Some drivers require memory that is marked as EFI boot services data. In order for this memory to not be re-used by the kernel after ExitBootServices, efimemreserve is use...

UBUNTU-CVE-2021-47412

In the Linux kernel, the following vulnerability has been resolved: block: don't call rqqosops-donebio if the bio isn't tracked rqqos framework is only applied on request based driver, so: 1 rqqosdonebio needn't to be called for bio based driver 2 rqqosdonebio needn't to be called for bio which...

CVE-2021-47419

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly cancel timer from tapriodestroy There is a comment in qdisccreate about us not calling ops-reset in some cases. errout4: / Any broken qdiscs that would require a ops-reset here? The qdisc was never ...

CVE-2021-47395

In the Linux kernel, the following vulnerability has been resolved: mac80211: limit injected vht mcs/nss in ieee80211parsetxradiotap Limit max values for vht mcs and nss in ieee80211parsetxradiotap routine in order to fix the following warning reported by syzbot: WARNING: CPU: 0 PID: 10717 at...

CVE-2021-47222

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst refcnt when egressing The egress tunnel code uses dstclone and directly sets the result which is wrong because the entry might have 0 refcnt or be already deleted, causing number of problems. It...

CVE-2021-47418

In the Linux kernel, the following vulnerability has been resolved: netsched: fix NULL deref in fifosetlimit syzbot reported another NULL deref in fifosetlimit 1 I could repro the issue with : unshare -n tc qd add dev lo root handle 1:0 tbf limit 200000 burst 70000 rate 100Mbit tc qd replace dev ...

CVE-2021-47418

CVE-2021-47418 refers to a Linux kernel vulnerability in net_sched: a NULL pointer dereference inside fifo_set_limit() that could OOPS when adjusting limits on certain qdiscs (notably pfifo_fast, which lacks a change() operation). The issue was reproduced via syzbot and the fix makes fifo_set_lim...

CVE-2021-47418 net_sched: fix NULL deref in fifo_set_limit()

In the Linux kernel, the following vulnerability has been resolved: netsched: fix NULL deref in fifosetlimit syzbot reported another NULL deref in fifosetlimit 1 I could repro the issue with : unshare -n tc qd add dev lo root handle 1:0 tbf limit 200000 burst 70000 rate 100Mbit tc qd replace dev ...